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

Fix Microsoft Teams File Locked Not Opening

When you try to open a file in Microsoft Teams and get a “file locked” or “this file is locked fo...

How to Fix Windows Activation SSL Certificate Error

When you see an SSL certificate error during Windows activation, it usually means the system can'...

Fix PowerShell Invalid Configuration on Windows Server

When you encounter a PowerShell 'invalid configuration' error on Windows Server, it often appears...

Fix Outlook Email Sync Failed on Ubuntu

Outlook email sync fails on Ubuntu: what to check

If Outlook (via web browser, Evolution,...

How to Clear Windows Update Cache When Stuck

If Windows Update is stuck at a certain percentage or taking forever to check for updates, a corr...

Fix Windows Update Module Not Found Error: Tool Usage & Repair

If you see an error message saying 'Windows Update module not found' or 'wuapi.dll is missing', W...