Fixing 'Connection Refused' in Command Prompt Due to Firewall
If you see a 'connection refused' message in Command Prompt when trying to connect to a remote se...
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View listWindows Defender Rate Limit Error Troubleshooting Checklist
You might see a Windows Defender rate limit error when scanning files or updating definitions. Th...
How to Free Up a Port in Command Prompt (Windows)
When an application fails to start because a port is already in use, you need to free that port. ...
How to Fix High Memory Usage by Command Prompt (cmd.exe)
You open Task Manager and see that Command Prompt (cmd.exe) is using 500 MB or more of RAM. That'...
How to Fix Windows Update Service Unavailable Error
If you see 'Windows Update service unavailable' when trying to check for updates, the Windows Upd...
Fix OpenVPN Permission Denied on Tun Device
When running OpenVPN, you might see an error like ERROR: Cannot open TUN/TAP dev /dev/net/t...
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