Checklists for software errors, setup, and tool workflows.

How to Reset Windows Defender Settings

If Windows Defender (Microsoft Defender Antivirus) is acting up—won't open, shows error messages,...

Fix ERR_CONNECTION_RESET in Chrome with Proxy

If you see "ERR_CONNECTION_RESET" in Chrome while using a proxy, the connection between Chrome an...

Fix Docker Build Error: 'failed to solve: manifest not found'

You run docker build and get an error like:

failed to solve: error fetching ...

Fix Windows Security 504 Gateway Timeout During Windows Update

If you see a "504 Gateway Timeout" error in Windows Security while trying to run Windows Update, ...

Fix Windows Security Connection Refused Due to Antivirus Blocking

You try to open Windows Security or run a scan, and get a 'connection refused' error. Often this ...

Fix Windows Update SSL Certificate Errors Not Working

You try to run Windows Update but get an error like 0x80072F0D or 0x80072EFD