Checklists for software errors, setup, and tool workflows.

Fix Windows Backup Error 0x81000019 on System Restore

When you try to restore a Windows backup, error 0x81000019 can stop the process. You might see th...

Checklist for Fixing Windows Defender Dependency Conflict

If Windows Defender refuses to start or update with an error about a dependency conflict, it's of...

Fix Microsoft Teams 502 Bad Gateway from Proxy Settings

If you see a 502 Bad Gateway error in Microsoft Teams, it often points to a proxy or network conf...

Fix Git Clone Permission Denied (publickey) on Bitbucket

You try to clone a Bitbucket repository and see:

Permission denied (publickey).
fatal: Co...

Fix Windows Defender Error 0x800106ba: Failed to Start

If you see “Windows Defender failed to start” with error code 0x800106ba, the Windows Defender se...

How to Fix Windows Security Auto Start Disabled

If you notice that Windows Security (formerly Windows Defender) isn't starting automatically with...