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

Fix OneDrive Blank Screen on Windows 11

When you open OneDrive on Windows 11 and see only a blank white or gray screen instead of your fi...

Fix Windows Defender Access Denied Error When Running Command Prompt as Admin

When you run a Windows Defender command (like MpCmdRun.exe -Scan -ScanType 2) in Com...

Fix Windows Update High CPU Usage and Error 0x80070002

When Windows Update runs, you may see high CPU usage and eventually error 0x80070002. This usuall...

Fix Outlook Email Sync Failed on Ubuntu

Outlook email sync fails on Ubuntu: what to check

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

How to Fix Microsoft Store Not Opening

When you click the Microsoft Store icon and nothing happens—or it flashes and closes—it's usually...

How to Fix Task Scheduler Invalid Configuration Error

You see "Task Scheduler invalid configuration" when opening a task or trying to run it. The error...