# Support

**URL:** https://forum.syncthing.net/c/support/6.md

[Latest](https://forum.syncthing.net/latest.md) · [Categories](https://forum.syncthing.net/categories.md)

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## [Force resync missing files](https://forum.syncthing.net/t/force-resync-missing-files/27201)

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**Author:** [@cvanelli](https://forum.syncthing.net/u/cvanelli)\
**Replies:** 1\
**Last updated:** [October 9, 2026, 5:14am UTC](https://forum.syncthing.net/t/force-resync-missing-files/27201 "2026-10-09T05:14:18Z")

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Hello all, Files are missing from a receive-only folder after a drive failure. Syncthing thinks everything is in sync. How do I force it to scan the entire folder and resync only the missing files from the send-only dev…

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## [container r/w bindmount volume as host user?](https://forum.syncthing.net/t/container-r-w-bindmount-volume-as-host-user/27202)

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**Author:** [@brobbins](https://forum.syncthing.net/u/brobbins)\
**Replies:** 1\
**Last updated:** [October 9, 2026, 5:10am UTC](https://forum.syncthing.net/t/container-r-w-bindmount-volume-as-host-user/27202 "2026-10-09T05:10:01Z")

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I’d like my syncthing container to read/write its bind mount volume as if it were the host’s primary user (1000:1000). Same with the syncthing config directory. I think the container Readme might address this, but I’m …

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## [File System watcher error](https://forum.syncthing.net/t/file-system-watcher-error/27198)

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**Author:** [@darshinferno](https://forum.syncthing.net/u/darshinferno)\
**Replies:** 1\
**Last updated:** [October 8, 2026, 7:37am UTC](https://forum.syncthing.net/t/file-system-watcher-error/27198 "2026-10-08T07:37:37Z")

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## [Impossible to upgrade since 2.1.5](https://forum.syncthing.net/t/impossible-to-upgrade-since-2-1-5/27197)

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**Author:** [@TigersWay](https://forum.syncthing.net/u/TigersWay)\
**Replies:** 1\
**Last updated:** [October 8, 2026, 7:27am UTC](https://forum.syncthing.net/t/impossible-to-upgrade-since-2-1-5/27197 "2026-10-08T07:27:09Z")

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Hi, I have two syncthing instances - which have been working for years - on two different servers, which I tried to classically update, from 2.1.3 to 2.1.5 or 2.1.6. I was unable to access them. systemctl status syncth…

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## [100% CPU usage on Linux with v2.1.6 even when syncing is completed](https://forum.syncthing.net/t/100-cpu-usage-on-linux-with-v2-1-6-even-when-syncing-is-completed/27193)

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**Author:** [@xymeus](https://forum.syncthing.net/u/xymeus)\
**Replies:** 6\
**Last updated:** [October 8, 2026, 7:26am UTC](https://forum.syncthing.net/t/100-cpu-usage-on-linux-with-v2-1-6-even-when-syncing-is-completed/27193 "2026-10-08T07:26:48Z")

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Two Debian boxes auto-upgraded to v2.1.6 today and Syncthing was at 100% CPU usage for several hours. The GUI shows Up to Date for all folders and servers and download and upload rates are at zero. Downgrading to v2.1.5 …

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## ["This site can't be reached" Error Screen (ERR\_CONNECTION\_REFUSED)](https://forum.syncthing.net/t/this-site-cant-be-reached-error-screen-err-connection-refused/27089)

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**Author:** [@RogerRoger](https://forum.syncthing.net/u/RogerRoger)\
**Replies:** 5\
**Last updated:** [October 7, 2026, 7:27pm UTC](https://forum.syncthing.net/t/this-site-cant-be-reached-error-screen-err-connection-refused/27089 "2026-10-07T19:27:25Z")

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Good Evening Everybody, I’m new to using Syncthing, and in the past few days I’ve been facing problems connecting one of my devices into the Syncthing interface. I’m not really a tech guy, so I had difficulties interpr…

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## [Syncthing 2.1.6 global discovery lookup intermittently times out while the same request succeeds immediately with curl](https://forum.syncthing.net/t/syncthing-2-1-6-global-discovery-lookup-intermittently-times-out-while-the-same-request-succeeds-immediately-with-curl/27194)

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**Author:** [@icacha](https://forum.syncthing.net/u/icacha)\
**Replies:** 1\
**Last updated:** [October 7, 2026, 5:16pm UTC](https://forum.syncthing.net/t/syncthing-2-1-6-global-discovery-lookup-intermittently-times-out-while-the-same-request-succeeds-immediately-with-curl/27194 "2026-10-07T17:16:19Z")

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Hi. This is my first bug report (AI aided to test). When upgrading to 2.1.6 from 1.2.9 I was unable to connect to machines using a relay. Version Syncthing v2.1.6 Linux, systemd user service. Description Devices c…

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## [Request to Add Persian Language Support](https://forum.syncthing.net/t/request-to-add-persian-language-support/27191)

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**Author:** [@salamam](https://forum.syncthing.net/u/salamam)\
**Replies:** 1\
**Last updated:** [October 6, 2026, 8:24am UTC](https://forum.syncthing.net/t/request-to-add-persian-language-support/27191 "2026-10-06T08:24:02Z")

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Hello, I would like to request adding Persian (فارسی) as a supported language in the software. There are many Persian-speaking users who would benefit from having the software available in their native language. Also, …

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## [Folder Out of Sync and file conflicts](https://forum.syncthing.net/t/folder-out-of-sync-and-file-conflicts/27177)

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**Author:** [@ShihabUddinX](https://forum.syncthing.net/u/ShihabUddinX)\
**Replies:** 4\
**Last updated:** [October 5, 2026, 6:44am UTC](https://forum.syncthing.net/t/folder-out-of-sync-and-file-conflicts/27177 "2026-10-05T06:44:20Z")

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When sharing a folder between three devices using Syncthing, synchronization works correctly between two devices. However, after adding a third device, the original device starts reporting Folder Out of Sync and file con…

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## [Update Error](https://forum.syncthing.net/t/update-error/27179)

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**Author:** [@moon](https://forum.syncthing.net/u/moon)\
**Replies:** 1\
**Last updated:** [October 3, 2026, 8:17pm UTC](https://forum.syncthing.net/t/update-error/27179 "2026-10-03T20:17:19Z")

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I tried to update my SyncTrayzor on Windows from v1.30.0 to the new update v2.1.5. I got this message: syncthing.exe: error: unknown flag -n, did you mean one of “-h”, “-C”, “-D”, “-H”? Does anyone know how to fix it? …

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## [Elements not synchronized - why?](https://forum.syncthing.net/t/elements-not-synchronized-why/27105)

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**Author:** [@titus483](https://forum.syncthing.net/u/titus483)\
**Replies:** 2\
**Last updated:** [October 3, 2026, 3:30pm UTC](https://forum.syncthing.net/t/elements-not-synchronized-why/27105 "2026-10-03T15:30:00Z")

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I’m using Syncthing for four weeks now - I’ve setup deveral devices (3x Windows11, 1 Tablet, 1 Smartphone, 2xMX Linux and 1 Raspberry Pi (Raspi OS lite). I’m syncing several folders and generally everything works very we…

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## [Recently upgraded to syncthing 2.0.10 on a Kindle jailbroken paperwhite; but constant I/O errors, problem with syncthing setup or flash memory of underlying device?](https://forum.syncthing.net/t/recently-upgraded-to-syncthing-2-0-10-on-a-kindle-jailbroken-paperwhite-but-constant-i-o-errors-problem-with-syncthing-setup-or-flash-memory-of-underlying-device/25443)

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**Author:** [@arooni](https://forum.syncthing.net/u/arooni)\
**Replies:** 13\
**Last updated:** [October 2, 2026, 8:51pm UTC](https://forum.syncthing.net/t/recently-upgraded-to-syncthing-2-0-10-on-a-kindle-jailbroken-paperwhite-but-constant-i-o-errors-problem-with-syncthing-setup-or-flash-memory-of-underlying-device/25443 "2026-10-02T20:51:08Z")

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Host devices are a mac mini, and a macbook pro error he required version of this file" folder.label=Ebooks folder.id=dfdmz-idylr folder.type=sendreceive log.pkg=model) 2025-10-08 20:34:10 WRN Failed to sync (path=“nextu…

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## [Suspected bug as ST writes config file, introduces spurious newline & indent](https://forum.syncthing.net/t/suspected-bug-as-st-writes-config-file-introduces-spurious-newline-indent/27148)

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**Author:** [@JimH44](https://forum.syncthing.net/u/JimH44)\
**Replies:** 7\
**Last updated:** [October 2, 2026, 5:26am UTC](https://forum.syncthing.net/t/suspected-bug-as-st-writes-config-file-introduces-spurious-newline-indent/27148 "2026-10-02T05:26:50Z")

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Hello, A problem has just surfaced with 2.5.1 on Windows 11. Gemini thinks it comes from the way the Go code that ST uses processes what is being written to config.xml. They also said I should ask the User Forum before …

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## [2 problems: can't sync Word doc while editing, & editing Obsidian creates many many "sync-conflict" files](https://forum.syncthing.net/t/2-problems-cant-sync-word-doc-while-editing-editing-obsidian-creates-many-many-sync-conflict-files/27154)

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**Author:** [@htgkyaabo](https://forum.syncthing.net/u/htgkyaabo)\
**Replies:** 2\
**Last updated:** [October 1, 2026, 9:21pm UTC](https://forum.syncthing.net/t/2-problems-cant-sync-word-doc-while-editing-editing-obsidian-creates-many-many-sync-conflict-files/27154 "2026-10-01T21:21:16Z")

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I use v2.1.5, Windows (64-bit Intel/AMD). I sync with an Android phone (using https://play.google.com/store/apps/details?id=com.github.catfriend1.syncthingandroid, updated Aug 14, 2026) and an iPad (using ‎Synctrain App …

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## [v2.1.5: memory climbs to the cgroup limit and gets OOM-killed every 1–2 days (Docker, ~430k files)](https://forum.syncthing.net/t/v2-1-5-memory-climbs-to-the-cgroup-limit-and-gets-oom-killed-every-1-2-days-docker-430k-files/27165)

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**Author:** [@Fguarien](https://forum.syncthing.net/u/Fguarien)\
**Replies:** 2\
**Last updated:** [September 30, 2026, 7:33am UTC](https://forum.syncthing.net/t/v2-1-5-memory-climbs-to-the-cgroup-limit-and-gets-oom-killed-every-1-2-days-docker-430k-files/27165 "2026-09-30T07:33:16Z")

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Hi, I’m running Syncthing in Docker on a Synology NAS and it keeps hitting its memory limit. The kernel OOM killer takes out the syncthing process, the built-in monitor restarts it, and Docker never notices (container s…

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## ['Out of Sync' on mobile, but 'Up to Date' on desktop](https://forum.syncthing.net/t/out-of-sync-on-mobile-but-up-to-date-on-desktop/27153)

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**Author:** [@Nocturnal](https://forum.syncthing.net/u/Nocturnal)\
**Replies:** 3\
**Last updated:** [September 28, 2026, 11:48pm UTC](https://forum.syncthing.net/t/out-of-sync-on-mobile-but-up-to-date-on-desktop/27153 "2026-09-28T23:48:33Z")

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A folder shows ‘Out of Sync’ on mobile (Syncthing-Fork on Android), but ‘Up to Date’ on desktop. Syncthing-Fork’s Web GUI shows four ‘Out of Sync Items’. These four items are not found on my mobile device. So Syncthing-…

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## [New Install, files transfered, but don't appear in the file system](https://forum.syncthing.net/t/new-install-files-transfered-but-dont-appear-in-the-file-system/27157)

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**Author:** [@mcconkeyb](https://forum.syncthing.net/u/mcconkeyb)\
**Replies:** 1\
**Last updated:** [September 27, 2026, 8:48am UTC](https://forum.syncthing.net/t/new-install-files-transfered-but-dont-appear-in-the-file-system/27157 "2026-09-27T08:48:04Z")

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I’ve just installed this app on my desktop (Windows 10 pro){no I’m not interested in upgrading} and 1 year old Samsung Galaxy A56 phone. I’ve set it up to automatically send photos from my phone to my desktop (which has …

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## [Out of sync warnings](https://forum.syncthing.net/t/out-of-sync-warnings/27137)

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**Author:** [@rob\_k.l.a](https://forum.syncthing.net/u/rob_k.l.a)\
**Replies:** 5\
**Last updated:** [September 21, 2026, 2:55pm UTC](https://forum.syncthing.net/t/out-of-sync-warnings/27137 "2026-09-21T14:55:43Z")

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Hi, How can I reset these warnings in the browser interface about files that no longer exists ?

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## [It shows 99% synced when it shows up-to-date everywhere else](https://forum.syncthing.net/t/it-shows-99-synced-when-it-shows-up-to-date-everywhere-else/27135)

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**Author:** [@BlackSpectrum](https://forum.syncthing.net/u/BlackSpectrum)\
**Replies:** 4\
**Last updated:** [September 19, 2026, 8:39am UTC](https://forum.syncthing.net/t/it-shows-99-synced-when-it-shows-up-to-date-everywhere-else/27135 "2026-09-19T08:39:28Z")

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I am using Syncthing to sync files between my phone and laptop. but for some reason it started having some out of sync files in 2 of the folders. it just shows that on my phone for remote devices go my laptop. But on my…

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## [Corporate Firewall Issues](https://forum.syncthing.net/t/corporate-firewall-issues/27133)

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**Author:** [@defmacr0](https://forum.syncthing.net/u/defmacr0)\
**Replies:** 3\
**Last updated:** [September 18, 2026, 3:40pm UTC](https://forum.syncthing.net/t/corporate-firewall-issues/27133 "2026-09-18T15:40:02Z")

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Hi everyone, Sometime in the last 2 weeks or so my setup behind a corporate firewall has stopped working (v2.1.5, Windows (64-bit Intel/AMD)). Since the firewall inserts a man-in-the-middle to re-encrypt all SSL traffic…

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## [Syncing issue with 'Syncthing-Fork' Android app](https://forum.syncthing.net/t/syncing-issue-with-syncthing-fork-android-app/27118)

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**Author:** [@Nocturnal](https://forum.syncthing.net/u/Nocturnal)\
**Replies:** 7\
**Last updated:** [September 16, 2026, 8:05am UTC](https://forum.syncthing.net/t/syncing-issue-with-syncthing-fork-android-app/27118 "2026-09-16T08:05:25Z")

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I am using Syncthing on Windows 10 and ‘Syncthing-Fork’ Android app. Syncthing on Windows shows my folders are ‘Up to Date’. ‘Sync-Fork’ Android app says the desktop is disconnected. Both are connected to the same Wifi n…

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## [Keeping assets +r attribute after upgrade 1.30 to v2](https://forum.syncthing.net/t/keeping-assets-r-attribute-after-upgrade-1-30-to-v2/27125)

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**Author:** [@Matey](https://forum.syncthing.net/u/Matey)\
**Replies:** 1\
**Last updated:** [September 15, 2026, 8:38pm UTC](https://forum.syncthing.net/t/keeping-assets-r-attribute-after-upgrade-1-30-to-v2/27125 "2026-09-15T20:38:22Z")

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Hello, I’ve got a question - I was using v 1.30 on Linux as a server and decided to upgrade to v2. From now on as I can see clients are still synchronizing since all of them have already v2 installed but filles are not…

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## [Synthing opens a ton of threads to a point of resource exhaustion](https://forum.syncthing.net/t/synthing-opens-a-ton-of-threads-to-a-point-of-resource-exhaustion/27114)

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**Author:** [@kuba-orlik](https://forum.syncthing.net/u/kuba-orlik)\
**Replies:** 4\
**Last updated:** [September 13, 2026, 5:07pm UTC](https://forum.syncthing.net/t/synthing-opens-a-ton-of-threads-to-a-point-of-resource-exhaustion/27114 "2026-09-13T17:07:48Z")

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I’m seeing Synthing opening a ton of threads when scanning a directory. It’s an ever-growing list of threads: syncthing@ansible1:/$ ps -eLf | grep 'yncthing' | wc -l 4523 My data dir is a JuiceFS Mount — not sure if t…

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## [Weak connection - checked firewalls/ports but no luck](https://forum.syncthing.net/t/weak-connection-checked-firewalls-ports-but-no-luck/27115)

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**Author:** [@cadams](https://forum.syncthing.net/u/cadams)\
**Replies:** 5\
**Last updated:** [September 12, 2026, 7:35am UTC](https://forum.syncthing.net/t/weak-connection-checked-firewalls-ports-but-no-luck/27115 "2026-09-12T07:35:51Z")

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To preface, I am a first time forum user and do not speak open source language very well - please forgive how dumb I am about to sound. We are using Syncthing to remote backup a large amount of files for video editing f…

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## [How to start from scratch](https://forum.syncthing.net/t/how-to-start-from-scratch/27077)

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**Author:** [@sgeneris](https://forum.syncthing.net/u/sgeneris)\
**Replies:** 44\
**Last updated:** [September 10, 2026, 8:17am UTC](https://forum.syncthing.net/t/how-to-start-from-scratch/27077 "2026-09-10T08:17:39Z")

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For reasons that I do not really understand the syncing messed up and my only solution is to start syncing from scratch. The configuration is a local sending and a remote receiving. One of the things I tried was to rem…

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## [Does syncthing not notify me when conflicts occur?](https://forum.syncthing.net/t/does-syncthing-not-notify-me-when-conflicts-occur/27113)

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**Author:** [@Memposar](https://forum.syncthing.net/u/Memposar)\
**Replies:** 1\
**Last updated:** [September 9, 2026, 12:46pm UTC](https://forum.syncthing.net/t/does-syncthing-not-notify-me-when-conflicts-occur/27113 "2026-09-09T12:46:09Z")

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I have Syncthing on my Android phone, and it gives me a warning whenever there’s a conflict. I noticed however that Syncthing on my Windows PC has never informed me of conflicts, ever. How am I supposed to know when a c…

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## [Sync conflict for no reason](https://forum.syncthing.net/t/sync-conflict-for-no-reason/27069)

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**Author:** [@roseen](https://forum.syncthing.net/u/roseen)\
**Replies:** 12\
**Last updated:** [September 9, 2026, 9:19am UTC](https://forum.syncthing.net/t/sync-conflict-for-no-reason/27069 "2026-09-09T09:19:52Z")

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I have a rather large folder, both in size and in number of files (231000 files, 11160 folders, 333 GiB), that I sync between a Windows 10 machine (A) and a Debian machine (B). This has been working nicely for many years…

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## [Error that I do not understand](https://forum.syncthing.net/t/error-that-i-do-not-understand/27042)

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**Author:** [@MolendijkM](https://forum.syncthing.net/u/MolendijkM)\
**Replies:** 5\
**Last updated:** [September 9, 2026, 3:23am UTC](https://forum.syncthing.net/t/error-that-i-do-not-understand/27042 "2026-09-09T03:23:43Z")

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I have this error on one of my linux machines; 2026-08-22 12:59:27: Failed initial scan (error=“getglobalfile: fileinfo (unmarshal blocklist): proto: cannot parse invalid wire-format data” folder.label=albums folder.id…

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## [android sync between profiles yet again](https://forum.syncthing.net/t/android-sync-between-profiles-yet-again/27109)

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**Author:** [@Radoom](https://forum.syncthing.net/u/Radoom)\
**Replies:** 3\
**Last updated:** [September 8, 2026, 7:29am UTC](https://forum.syncthing.net/t/android-sync-between-profiles-yet-again/27109 "2026-09-08T07:29:00Z")

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Me stupid. Me not understanding. Me sad :frowning: Okay, I had this working long time, noticed the other day it did no longer. Went through all the guides and posts and reinstalled and whatnot. And start to believe som…

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## [syncthing-fork: finding the author; unendable pause](https://forum.syncthing.net/t/syncthing-fork-finding-the-author-unendable-pause/27097)

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**Author:** [@se45tr6yftyhb](https://forum.syncthing.net/u/se45tr6yftyhb)\
**Replies:** 11\
**Last updated:** [September 7, 2026, 11:04pm UTC](https://forum.syncthing.net/t/syncthing-fork-finding-the-author-unendable-pause/27097 "2026-09-07T23:04:50Z")

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Dear all If one tries to open a disscussion here on what I take to be the (main? most recent?) syncthing-fork repository, or to create a support request there, one is directed to this forum. So: . . . I had trouble det…

[Next page](https://forum.syncthing.net/c/support/6.md?page=1)
