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

How to Run Windows Security Features on Ubuntu

If you need to run Windows-specific security features—like Windows Defender, Windows Firewall, or...

Outlook Cannot Connect to Office 365: Fixes to Try

You open Outlook and see 'Cannot connect to Office 365' or 'Disconnected'. This usually means Out...

Outlook Not Receiving Emails from Specific Sender: Fixes

If Outlook is not receiving emails from a specific sender while other emails come through fine, t...

Fix Remote Desktop Proxy Error on Windows 11

When you try to connect to a remote PC via Remote Desktop on Windows 11 and see a proxy error—som...

Fix Microsoft Teams Blank Screen: Web vs Desktop

When Microsoft Teams shows a blank screen—white or grey—after login, the problem usually lies in ...

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