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

How to Fix Windows Update Service Unavailable Error

If you see 'Windows Update service unavailable' when trying to check for updates, the Windows Upd...

How to Fix 'npm command not found' on Mac

How to Temporarily Turn Off Windows Security for Troubleshooting

If you're troubleshooting a stubborn app or driver issue, Windows Security (formerly Defender) mi...

Fix Windows Defender Error 0x80070643 – Version Mismatch

You update Windows Defender and see error code 0x80070643. The update fails, and Defender may dis...

How to Set Up Windows Update Memory Limit

If your PC slows to a crawl during Windows Update, it may be because the update process is using ...

How to Disable SSL Verification in Postman for Testing

When testing APIs locally or against development servers, self-signed or mismatched SSL certifica...