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

Fix Windows Terminal Profile Not Saving Ubuntu Settings

You set up a custom profile for Ubuntu in Windows Terminal, change the icon, font, or starting di...

Fix Windows Activation License Expired After Upgrade

After a major Windows upgrade (e.g., from Windows 10 to Windows 11 or a feature update), you may ...

Fix PowerShell DNS Resolution Failed Error

If you see DNS resolution failed when running a PowerShell command that tries to con...

OpenVPN Connection Failed: Check Firewall Settings

You see "connection failed" in your OpenVPN client log. The server is reachable, but the handshak...

Fix Windows Security Authentication Error 0x80070035

Fix Remote Desktop Gateway Timeout After Update

After a recent Windows update, you may encounter a timeout error when connecting to a remote desk...