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

Fix Outlook File Locked by Outlook.exe Not Responding

If you see an error that your Outlook data file (.pst or .ost) is locked because Outlook.exe is n...

How to Fix Command Prompt High CPU Usage on Windows 10

Does Disabling BitLocker Reduce CPU Usage?

If your system feels sluggish or the CPU is pegged at 100% for no obvious reason, BitLocker might...

Outlook Cannot Connect to Office 365: Fixes to Try

You open Outlook and see 'Cannot connect to Office 365' or 'Disconnected'. This usually means Out...

PowerShell High CPU Usage Troubleshooting Checklist

If PowerShell is consuming high CPU, the system may become sluggish or unresponsive. This checkli...

Fix Windows Defender SSL Certificate Error

If Windows Defender shows an SSL certificate error, it usually means the antivirus can't verify t...