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Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

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

Fix Windows Security Blank Screen in Command Prompt

You open Windows Security from Command Prompt and see nothing but a blank window. This can happen...

How to Fix Chrome Token Expired Error 400

You're working in Chrome and suddenly get a 400 error: token expired. This usual...

Fix BitLocker Dependency Conflict After Windows Update

After a Windows update, some users see a BitLocker error like "A required dependency is missing" ...

Fix 'Port Already Allocated' with Security Permission Denied

You try to start a service or application, and you get an error like "port already allocated" or ...

Windows Security Dependency Conflict Troubleshooting Checklist

Windows Security can fail to start or update properly when a dependency—like a service, driver, o...