Nginx 502 Bad Gateway: PHP-FPM Fix Guide
Seeing a 502 Bad Gateway error from Nginx usually means it can't reach PHP-FPM. This is common af...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesHow to Fix Windows Defender 404 Not Found Error
If you see a "404 Not Found" error when opening Windows Defender, it often means a required file ...
How to Fix BitLocker Network Unlock Errors
When BitLocker Network Unlock fails, users often see an error like “BitLocker Network Unlock fail...
Fix Remote Desktop Blank Screen After Login with No Cursor
You log into a remote machine via RDP, see the login screen, enter credentials, and then get a bl...
Fix Windows Update 502 Bad Gateway Related to Proxy Settings
If you see a "502 Bad Gateway" error when running Windows Update, it often points to a problem wi...
Fix Windows Update Authentication Failed in Enterprise Setup
When Windows Update fails with an authentication error in an enterprise setup, it often means the...
Issue queue
SitemapHow to Fix Nginx Upstream Socket Permission Error
Fix Outlook Port Already Allocated After Update
Resolve 'wuauclt command not found' on Windows
Cloudflare Error 522 Fix: Connection Timed Out Guide
Microsoft Teams Service Unavailable for a Specific User: Fix
Access Denied in System32 via CMD Fix
How to Fix Microsoft Store Error Code Rate Limit
Fix Windows Defender After Update: Step-by-Step
Windows Security Login Loop Fix Guide
How to Edit System PATH in Windows 10
Chrome Log File Not Working? Try These Fixes
How to Fix Microsoft Store 502 Bad Gateway
Fix Outlook Port Already Allocated After Update
Resolve 'wuauclt command not found' on Windows
Cloudflare Error 522 Fix: Connection Timed Out Guide
Microsoft Teams Service Unavailable for a Specific User: Fix
Access Denied in System32 via CMD Fix
How to Fix Microsoft Store Error Code Rate Limit
Fix Windows Defender After Update: Step-by-Step
Windows Security Login Loop Fix Guide
How to Edit System PATH in Windows 10
Chrome Log File Not Working? Try These Fixes
How to Fix Microsoft Store 502 Bad Gateway