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

Fix Remote Desktop Port Already Allocated Error

When you try to start Remote Desktop (RDP) or change its listening port, you may see an error lik...

How to Fix '404 Not Found' File Path Errors in CMD

Fix Cloudflare DNS Not Working with VPN Connection

If you use Cloudflare DNS (1.1.1.1) and a VPN together, you may hit a snag where DNS stops resolv...

How to Fix Command Prompt Blank Screen with No Error

You open Command Prompt, see a blank black window with no prompt or text, and no error message ap...

How to Fix SSL Protocol Error in Chrome: Practical Steps

You're browsing in Chrome and suddenly see "SSL protocol error" or "ERR_SSL_PROTOCOL_ERROR." The ...

PowerShell Permission Denied Troubleshooting Checklist

When you run a PowerShell script or command and get a permission denied error, it's usually one o...