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

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...

Fix Windows Defender Error 0x80070422 Step by Step

When you see Windows Defender error 0x80070422, it usually means the Windows Defender service isn...

How to Check Chrome Browser Version Compatibility

You're testing a new web app or extension, and it fails to load or behaves oddly. Often the culpr...

Fix 'File Locked by System Process' in Windows 10 Search

When you search for a file in Windows 10 and get an error that the file is locked by a system pro...

How to Set Up BitLocker Network Unlock

BitLocker Network Unlock allows domain-joined computers to unlock the system drive automatically ...

OBS Black Screen Troubleshooting Checklist

You launch OBS Studio, start a scene, and the preview shows a black screen. This is one of the mo...