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

Fix Microsoft Store Access Denied After Windows Update

After a Windows update, some users see an 'Access Denied' message when opening the Microsoft Stor...

How to Enable Windows Security Real-Time Protection

If you see a warning that real-time protection is off, or you suspect your PC is vulnerable, here...

Fix Windows Terminal Authentication Failed in Remote Desktop

You open Windows Terminal, try to start a Remote Desktop session, and get an authentication faile...

How to Fix Windows Security Backup Not Working

Windows Security backup (part of Windows Backup or File History) may stop working for several rea...

Fix 'ffmpeg command not found' in PHP exec()