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

Fix Windows Activation Proxy Server Error

When you try to activate Windows and see an error about a proxy server, it usually means the acti...

Fix Outlook Access Denied to Calendar Permissions

You try to open a shared calendar in Outlook and get an “Access Denied” or “You do not have suffi...

How to Fix Windows Security Virus Protection Turned Off

If you see a warning that Windows Security virus protection is turned off, it usually means the b...

Fix BitLocker Auto-Unlock Permission Denied Error

You've encrypted a drive with BitLocker and want to enable auto-unlock so you don't have to enter...

Fix Windows Activation After Hardware Change

If you recently upgraded your PC's motherboard, CPU, or hard drive and now see “Windows is not ac...

Fix 'Windows Defender Not Recognized' Error in Command Prompt