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

Fix 'err tunnel connection failed' on Chrome for Android

You open Chrome on your Android phone and instead of loading a page, you see 'err tunnel connecti...

How to Enable Command Prompt Disabled by Administrator

If you see the message “Command Prompt has been disabled by your administrator” when trying to op...

Fix Command Prompt Auto Start Not Working in Windows 11

You set Command Prompt to run automatically via Startup folder, Task Scheduler, or Registry – but...

Fixing Netsh DNS Reset Command Failures

You run netsh int ip reset or netsh winsock reset to clear DNS settings...

Fix Windows Activation Error 0x8007232b DNS Name Does Not Exist

When activating Windows, you might see error 0x8007232b with the message “DNS name does not exist...

How to Fix '404 Not Found' Error in Windows Command Prompt