Practical software fixes, setup guides, and tool workflows.

Fix VSCode Extension Host Terminated Error Code 0

What does this error mean?

When you see 'Extension host terminated unexpectedly with erro...

Fix OneDrive Token Expired Error (0x8004de40)

You open OneDrive and see an error like “Your token has expired” or code 0x8004de40. This usually...

Fix Outlook 404 Not Found Error in Microsoft 365

You open Outlook in Microsoft 365 and see a '404 Not Found' page. This usually means Outlook can'...

How to Fix High PowerShell Memory Usage After Closing

You close PowerShell, but your system monitor still shows it using a lot of memory. This can slow...

Fix Outlook File Locked by Outlook.exe Not Responding

If you see an error that your Outlook data file (.pst or .ost) is locked because Outlook.exe is n...

Fix OneDrive Sync Error 0x8004de40 (SSL Certificate)

If you see error 0x8004de40 when syncing OneDrive, it usually means your computer cannot verify t...