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

Fix Windows Activation After Hardware Change

If you recently upgraded your PC's motherboard, CPU, or hard drive and now see “Windows is not ac...

Fix Outlook High Memory Usage & Error 0x80040600

If Outlook is using excessive memory or showing error 0x80040600, the issue often stems from a co...

Quick Fix for Microsoft Teams Error Code CXA20001

If you see error code CXA20001 when signing into Microsoft Teams, the app is usu...

Fix Remote Desktop Backup Restore Stuck at 0 Percent

When you initiate a restore from a remote desktop backup and the progress bar stays at 0 percent ...

Fix Outlook Email Sync Failed on Ubuntu

Outlook email sync fails on Ubuntu: what to check

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

Fix Windows Defender Connection Refused via Group Policy

If you see a "connection refused" error when trying to open Windows Defender Security Center or r...