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

Remote Desktop Reset Settings Checklist

If Remote Desktop stops connecting, shows authentication errors, or behaves unexpectedly, resetti...

Fix KMS Activation Error: Port 1688 Already in Use

Fix 'Outlook File Locked by Windows File Sharing' Error

You try to open Outlook and get an error that the PST or OST file is locked by Windows file shari...

Windows Activation File Locked: Fix for Windows 10

You see an error saying the Windows activation file is locked, or activation fails with a file ac...

How to Fix Windows Update Error 0x80070002 Due to Network Issues

If you see error 0x80070002 when checking for updates, and your network connection seems unstable...

Fix OneDrive Token Expired Error (0x8004de40)

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