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

How to Backup Chrome Profile Before Reinstalling

When you reinstall Chrome, you risk losing all your bookmarks, saved passwords, extensions, and s...

How to Reinstall the Windows Security Module

If Windows Security won't open, shows errors, or you see "This app has been turned off" messages,...

Fix 'Remote Desktop Command Not Found' After Update

Fix Chrome Resolution Too Small on Ubuntu

If Chrome appears unusually small on Ubuntu—tiny text, cramped tabs, or icons that are hard to cl...

Fix 'Port Already Allocated' Error in Chrome via Command Line

You start Chrome from the command line and get an error that the port is already allocated. This ...

Command Prompt Port Allocation Troubleshooting Checklist

When a service or application fails to start with a message like "port already in use" or "addres...