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

Fix '7-Zip Cannot Open File as Archive' Error

When 7-Zip displays 'Cannot open file as archive', it usually means the program can't recognize t...

Fix Microsoft Teams Authentication Failed Due to Proxy

If you see 'Authentication failed' when launching Microsoft Teams and you're behind a corporate p...

Mount BitLocker Drives on Ubuntu with Dislocker

If you dual-boot Ubuntu with Windows or need to access a BitLocker-encrypted external drive on Li...

Fix Windows Defender Real-Time Protection Greyed Out

If you open Windows Security and find the real-time protection toggle greyed out, you can't click...

Fix OneDrive Stuck on 'Processing Changes' Sync Issue

You open OneDrive and see "Processing changes" for minutes or hours. Files don't sync, and you ca...

Fix Windows Terminal Permission Denied File Locked Error