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

How to Fix Windows Security Settings Not Saving Changes

You change a setting in Windows Security—like toggling real-time protection or adding an exclusio...

Remote Desktop Clipboard Not Working in Windows 10: Fixes

You connect to a remote Windows 10 PC via Remote Desktop, but copy-paste between machines doesn't...

Fix Remote Desktop File Locked Error 0x80070020

If you get error 0x80070020 when opening or editing a file over Remote Desktop, it usually means ...

How to Fix Windows Security Not Opening After Update

After a Windows update, you might click the Windows Security icon and nothing happens, or the app...

Fix Windows Security Not Working in Windows 11

If Windows Security won't open, stays blank, or crashes on Windows 11, the problem is often a cor...

Fix VSCode Extension Host Terminated Error Code 0

What does this error mean?

When you see 'Extension host terminated unexpectedly with erro...