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

Ubuntu Command Prompt Not Working After Update: Fixes

After a system update, you might find that the Ubuntu command prompt (terminal) is not working—it...

Fix PowerShell Service Unavailable Error During SFC Scan

You try to run sfc /scannow in PowerShell and get an error like "Service unavailable...

Set Windows Update Service to Run as Local System Account

If Windows Update fails with errors like 0x80070422 or the service won't start, the service might...

Fix Missing Chrome Configuration File on Ubuntu

If Chrome on Ubuntu fails to launch or shows an error like "Your preferences can be read" or "Con...

Fix 'Command Prompt Authentication Failed' – Run as Administrator

When you see 'authentication failed' in Command Prompt, it usually means your current session lac...

Fix CMD Service Unavailable Due to Group Policy

Situation

You open Command Prompt and see an error like "Command Prompt has been disabled...