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

Fix Windows Security Blank Screen in Command Prompt

You open Windows Security from Command Prompt and see nothing but a blank window. This can happen...

Fix Windows Defender Rate Limit Error & Permission Denied

When Windows Defender throws a "rate limit error" or "permission denied" message, it typically ha...

How to Clear SSH Known Hosts and Fix Host Key Verification Failed

Fix Windows Activation Error 0x80070002 (Dependency Conflict)

You try to activate Windows and get error 0x80070002. The message often says something like “depe...

Fix Outlook Data File Access Denied Error on Windows 10

When you see 'Outlook data file access denied' on Windows 10, Outlook cannot read your .pst or .o...

How to Fix Remote Desktop Credentials Not Working in Windows 10

When you try to connect to a remote PC and Windows 10 keeps asking for credentials or says they a...