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

Fix Windows Update Error: Port Already Allocated

You try to run Windows Update, but it fails with an error about a port already being allocated. T...

Windows Update Error 0x80070643: Troubleshooting Checklist

If you see error 0x80070643 when trying to install Windows updates, the update process likely fai...

Conda Environment List Empty: Causes and Fixes

If you run conda env list and see no environments (or only base missing...

How to Fix 'npm command not found' on Mac

How to Fix 'File Locked by Another Process' Error in PowerShell

When you run a PowerShell command that reads, writes, or deletes a file, you might see an error l...

BitLocker Not Starting After BIOS Update: Fixes

You update the BIOS, reboot, and instead of the usual Windows login, you see a BitLocker recovery...