Checklists for software errors, setup, and tool workflows.

Fix Windows Security Login Loop and Sync Issues

You sign in to Windows, see the security settings sync message, and then get kicked back to the l...

Fix Windows Defender Version Mismatch After Update

After a Windows update, you might see a message that Windows Defender (Microsoft Defender Antivir...

How to Reset Microsoft Store Settings Without Losing Apps

If the Microsoft Store won't open, downloads hang, or updates fail, resetting the Store can often...

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 504 Gateway Timeout in Windows Security After Update

If you see a 504 Gateway Timeout error when opening Windows Security after a recent update, it us...

How to Fix Windows Security Connection Refused Error

You open Windows Security and see a "Connection refused" error when trying to update virus defini...