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

Fix Windows Defender Service Not Starting Error

If you see an error that Windows Defender won't start—or the service stops immediately—it's usual...

Fix Chrome Port Already Allocated Error (ERR_UNSAFE_PORT)

When Chrome displays an error like ERR_UNSAFE_PORT or a message that a port is alrea...

Fix Outlook Connection Timeout After Windows Update

Why Outlook times out after a Windows update

After a Windows update, Outlook may fail to ...

How to Fix Command Prompt Crashing on Open

You click Command Prompt, the window flashes for a split second, then disappears. This can happen...