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

Fix 'Service Unavailable' for PowerShell on Windows 10

You open PowerShell on Windows 10 and see an error like "Service Unavailable" or "PowerShell is n...

How to Install Windows Security Offline Without Internet

If you're setting up a Windows machine that has no internet connection—perhaps a secure lab, an a...

Fix BitLocker High Memory Usage After Windows Update

Why BitLocker Memory Usage Spikes After an Update

After a Windows update, some users noti...

How to Enable Command Prompt When Disabled by Administrator

If you try to open Command Prompt and see a message like “Command Prompt has been disabled by you...

Fix PowerShell Blank Screen with No Cursor

If you open PowerShell and see only a blank window with no cursor (no blinking line), the console...

Fix OneDrive Blank Screen by Clearing Cache

You open OneDrive and see a blank white or gray screen. The app doesn't load your files, and noth...