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

Fix Windows Terminal Config File Not Saving

You edit your Windows Terminal settings, click Save, and the changes vanish. Or you restart the a...

Fix SSH Permission Denied (publickey) Error

You try to SSH into a server and get Permission denied (publickey). This typically m...

Fix Windows Update Connection Timeout with Registry Edit

You click Check for updates, and after a long wait, you get a timeout error. This is often caused...

PowerShell Command Not Found but Works in CMD

Fix OneDrive Token Expired Error (0x8004de40)

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

Fix Windows 11 Activation Access Denied Error

You try to activate Windows 11 but get an 'access denied' error. This usually means the activatio...