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

Fix VirtualBox Kernel Driver Permission Denied on Linux

Checklist for Running Windows Search on Ubuntu

If you've recently switched from Windows to Ubuntu, you might miss the instant file search that W...

Fix Chrome DNS_PROBE_FINISHED_NXDOMAIN After Update

After a Chrome update, you might see the error DNS_PROBE_FINISHED_NXDOMAIN when ...

Fix Windows Update Service Not Running After Malware Removal

After removing malware, you may find that Windows Update no longer works. The service might be di...

Fix Windows Security Blank Screen in Safe Mode

If you boot into Safe Mode and open Windows Security only to see a blank white or gray screen, yo...

Windows Defender Real-Time Protection Error 0x80070422 Fix

You try to turn on Windows Defender real-time protection, but you get error 0x80070422. This usua...