Checklists for software errors, setup, and tool workflows.

Fix Windows Defender Error 0x80070643 – Version Mismatch

You update Windows Defender and see error code 0x80070643. The update fails, and Defender may dis...

Fix PowerShell Proxy Authentication Failed Errors

You run a PowerShell command that needs internet access—like Invoke-WebRequest or

Fix Outlook Proxy Error After Windows Update

After a Windows update, some users see a proxy error in Outlook—something like “Cannot connect to...

Fix 'Windows Terminal Configuration File Not Found' on Ubuntu

If you're using Windows Terminal with Ubuntu via WSL and see an error like "Configuration file no...

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 Search 502 Bad Gateway After Update

After a recent Windows Update, you might see a “502 Bad Gateway” error when using Windows Search....