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

Windows Update Cleanup Tool Not Removing Files: Fixes

You run Disk Cleanup, check "Windows Update Cleanup", and it seems to work—but the disk space doe...

Fix Visual Studio Installer Not Working After Windows Update

After a Windows update, the Visual Studio Installer may fail to launch, hang, or show error messa...

Windows Defender High CPU and Memory Usage Not Working: Fixes

If Windows Defender is eating up CPU or memory and also failing to run scans, update definitions,...

How to Fix 'npm command not found' on Mac

Windows Defender High Memory Usage Troubleshooting Checklist

Windows Defender (Microsoft Defender Antivirus) sometimes uses more memory than expected, especia...

How to Fix Chrome SSL Protocol Error: Invalid Server Certificate

You try to visit a website in Chrome and see an error: "SSL protocol error" with "invalid server ...