# syncthing fails to start after starting my PC today
**URL:** https://forum.syncthing.net/t/syncthing-fails-to-start-after-starting-my-pc-today/15491
**Category:** Support
**Created:** [August 15, 2020, 10:33am UTC](https://forum.syncthing.net/t/syncthing-fails-to-start-after-starting-my-pc-today/15491 "2020-08-15T10:33:21Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@ninchuka](https://forum.syncthing.net/u/ninchuka)
#### Post date: [August 15, 2020, 10:33am UTC](https://forum.syncthing.net/t/syncthing-fails-to-start-after-starting-my-pc-today/15491/1 "2020-08-15T10:33:21Z")
I’ve just got on my PC and I noticed syncthing which I have set to auto start closed randomly after a few seconds anyone got any idea whats causing it? I havent touched anything to do with the config or network settings yesterday so I’m not sure what happened, 
this is my windows version I’m running
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### Author:  [@AudriusButkevicius](https://forum.syncthing.net/u/AudriusButkevicius)
#### Post date: [August 15, 2020, 10:54am UTC](https://forum.syncthing.net/t/syncthing-fails-to-start-after-starting-my-pc-today/15491/2 "2020-08-15T10:54:58Z")
Either something is already using the port for web ui, or the firewall is preventing syncthing from getting the port it’s asking for.
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### Author:  [@system](https://forum.syncthing.net/u/system)
#### Post date: [September 14, 2020, 10:55am UTC](https://forum.syncthing.net/t/syncthing-fails-to-start-after-starting-my-pc-today/15491/3 "2020-09-14T10:55:01Z")
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