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

Fix Chrome 'Cannot Delete Downloaded File: File in Use' Error

When you try to delete a downloaded file from Chrome's download bar or the Downloads page, you mi...

Fix Chrome 'Permission Denied' for Notifications Not Working

You click "Allow" for notifications in Chrome, but the site says "permission denied" or the notif...

Fix Command Prompt Crashing After Windows Update

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

Windows Server Activation Error 0xc004f074: Fixes and Checks

If you see error 0xc004f074 when activating Windows Server, it usually means the Key Management S...

How to Fix Chrome SSL Certificate Error After Update

Fix Remote Desktop Error 0x8007042c: Service Unavailable

When you try to connect to a remote computer and see error 0x8007042c, the remote desktop service...