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

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

You notice Outlook consuming 50% or more CPU, making your syste...

Fix Windows Activation High Memory Usage After Update

After a recent Windows update, you might notice your PC running slowly and Task Manager showing t...

Fix Command Prompt Offline Installer Not Working on Windows 7

You try to install something using the Command Prompt in offline mode on Windows 7, but nothing h...

Fix Microsoft Teams Error Code cxa20001

Error code cxa20001 in Microsoft Teams usually appears when signing in or starting the app. Users...

Fix Windows Security Connection Timeout Error

When you see a 'connection timeout' error in Windows Security, it usually means the app can't rea...

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED Caused by Antivirus

When Chrome shows ERR_TUNNEL_CONNECTION_FAILED, it usually means a secure tunnel...