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

Fix Chrome Blank Profile Screen After Update

After a Chrome update, some users see a blank screen when trying to open their profile — no bookm...

How to Fix Command Prompt Run as Administrator Not Working

You right-click Command Prompt and select 'Run as administrator', but nothing happens, or it open...

Jupyter Kernel Not Starting Python Environment: Fixes

You launch a Jupyter notebook, select your Python environment kernel, and the notebook stays stuc...

Fix OneDrive Sync Error 'Version Mismatch' on Windows 10

You open OneDrive and see a sync error: “Version mismatch.” This usually means the OneDrive app o...

Windows Security App Missing in Windows 11: How to Restore It

If you open Start and type 'Windows Security' but nothing appears, or you get an error when tryin...

How to Fix Remote Desktop 'Connection Refused' or 'Permission Denied'