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

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...

Windows Security Slow Performance Checklist

If Windows Security (formerly Windows Defender) is making your system feel sluggish—slow scans, d...

Fix Chrome Sync Not Working After Windows 10 Update

After a Windows 10 update, Chrome sync may stop working—bookmarks, passwords, and settings won't ...

Fix Windows Defender Auto Start Not Working in Windows 10

If you find that Windows Defender isn't starting automatically when you boot Windows 10, your sys...

Fix MongoDB Authentication Failed Permission Denied Error