Knowledge base for software setup, errors, and daily tool work.

Fix CMD Service Unavailable Due to Group Policy

Situation

You open Command Prompt and see an error like "Command Prompt has been disabled...

Fix OneDrive Sync Pending for Large Files

If you see "Sync pending" on large files in OneDrive, it usually means the file is too big or the...

Fix Command Prompt Crashing After Windows Update

After a recent Windows update, you might find that Command Prompt opens briefly and then closes i...

Fix Remote Desktop Certificate Error 0x80090322

When connecting to a remote desktop, you might see error 0x80090322. This usually appears as a me...

Fix Windows Defender Real-Time Protection Grayed Out

You open Windows Security, go to Virus & threat protection, and see that the Real-time protection...

Fix OneDrive 'Token Expired' Sync Error

You open OneDrive and see a message like 'Token expired' or 'Sign in required' and files stop syn...