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

Fix VirtualBox Kernel Driver Permission Denied on Linux

Fix Windows Update Error 0x8024402c Permission Denied

You see error 0x8024402c when checking for updates, often accompanied by “Permission denied.” Thi...

Fixing 'Access Denied' Errors When Running PowerShell Scripts

If you see an 'Access Denied' error when trying to run a PowerShell script, it's usually not a pe...

Fix Jupyter Notebook Token Not Working on Ubuntu

You launch Jupyter Notebook on Ubuntu, but when you open the URL in your browser, the token promp...

Fix Microsoft Teams High Memory and CPU Usage

You open Task Manager and see Microsoft Teams using hundreds of MB of RAM and pegging the CPU. Th...

Apache Service Not Starting: Troubleshooting Checklist

When Apache won't start, the error message can be cryptic or nonexistent. This checklist walks th...