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

Fix Windows Security Blank Screen After Update

After a Windows update, some users open Windows Security and see only a blank white or gray scree...

WSL Ubuntu Network Configuration Checklist

If you're running Ubuntu under WSL and network connections are failing—slow DNS lookups, no inter...

Fix Putty Connection Refused Due to Windows Firewall

You're trying to SSH into a remote server using Putty, but you get a 'Connection refused' error. ...

Command Prompt Full System Restore Checklist

If your Windows system is unstable or won't boot, you might need a full system restore. Using Com...

Fix Chrome 504 Gateway Timeout When Using a VPN