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

How to Grant Remote Desktop Access to Specific Users

If you need to allow only certain people to connect to your computer via Remote Desktop, the buil...

Fix PowerShell High CPU Usage with Error 0x80070005

If you see PowerShell consuming high CPU alongside error 0x80070005 (Access Denied), the issue is...

Fix Chrome Profile Not Loading with High CPU Usage

If Chrome gets stuck loading your profile and spikes CPU usage, the problem is often a corrupted ...

Fix PowerShell Proxy Authentication Failed Errors

How to Fix WinRAR Checksum Error and Repair Corrupted Files

You download a large RAR archive, double-click to extract, and get a "Checksum error" or "CRC fai...

Fix PostgreSQL Connection Refused on Port 5432

When you see psql: error: connection to server at ... failed: Connection refused on ...