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

Fix Windows Activation Error 0x80070005: File Locked

When activating Windows, you might see error 0x80070005 with a message that a file is locked. Thi...

Fix KMS Activation Error: Port 1688 Already in Use

Fix Missing Command Prompt After Windows Update

After a Windows update, you might find that Command Prompt is missing from the Start menu, right-...

Fix 'Module Not Found' Permissions Error in Microsoft Teams

You open Microsoft Teams and see an error like 'Module not found' or 'Permissions required'. This...

Fix Chrome Profile Auth Error 0x800704cf

You see the error "Chrome profile authentication failed" with code 0x800704cf when trying to sign...

Fix Windows Security Connection Timeout in Remote Desktop

You try to connect to a remote PC via Remote Desktop (RDP) and get a message like: "An authentica...