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

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED When Using VPN

Fix Outlook SMTP 587 Port Already Allocated Error

You try to set up or send email in Outlook, and you see an error about port 587 already being all...

How to Fix Microsoft Store Error 0x80073cf0

You open Microsoft Store to download or update an app, and instead get error code 0x80073cf0. Thi...

Fix slui.exe High CPU Usage During Windows Activation

If you notice your CPU pegged at 100% while trying to activate Windows, slui.exe (Software Licens...

Fix Remote Desktop Rate Limit Error After Update

After a recent Windows update, you might see a rate limit error when trying to connect via Remote...

How to Fix Windows Security DNS Error

You open Windows Security and see a message like 'DNS server not responding' or 'Your device is m...