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

Fix Windows Defender Crash Loop in Windows 10

If Windows Defender keeps crashing and restarting on your Windows 10 PC—showing error messages, d...

Fix Outlook Reset Settings Permission Denied Error

Fix Outlook Email Sync Failed on Ubuntu

Outlook email sync fails on Ubuntu: what to check

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

BitLocker Invalid Configuration Sync: Causes and Fixes

You might see a 'BitLocker invalid configuration sync' error when BitLocker reports a mismatch be...

Fix Windows Security Failed to Start Due to Corrupted System Files

You open Windows Security and see the message: "Windows Security failed to start. Corrupted syste...

Fix 'Putty Connection Refused' Error on Localhost

When you try to connect to localhost with Putty and get 'connection refused', it usually means th...