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

How to Fix 'Permission Denied' When Running PowerShell as Administrator

You right-click PowerShell and select 'Run as administrator', but instead of an elevated prompt, ...

Fix Windows Security Service Error 0x80070422

You attempt to open Windows Security and get an error: "The service did not respond to the start ...

How to Fix Command Prompt Blank Screen After Startup

If Command Prompt (cmd.exe) opens to a blank screen with no prompt or cursor, the issue is usuall...

Fix Windows Activation Version Mismatch via Command Prompt

If you see an error like "The version of Windows you are trying to activate does not match the pr...

Fix Windows Activation Not Connecting to Server

You try to activate Windows, but you see an error saying it can't connect to the activation serve...

Fix Windows Security Authentication Error 0x80070035