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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 Search Not Working After Sleep Mode

You wake your PC from sleep, type in the Start menu search bar, and nothing happens—or results ar...

BitLocker Not Working After Windows Update: Fix Guide

After a Windows update, BitLocker may fail to unlock the drive, show errors, or prompt for a reco...

Fix Windows Security Error 404 After Update

After a recent Windows update, you might see an error 404 when opening Windows Security. The app ...

Fix Task Scheduler Configuration Not Saving

You set up a task in Windows Task Scheduler, click OK, and later find the changes didn't stick. T...

Fix Windows Security Connection Refused Due to Firewall Settings

When Windows Security shows a 'connection refused' error, it often means the Windows Defender Fir...