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

How to Fix Windows Terminal High Memory Usage

If Windows Terminal is using more memory than expected—hundreds of megabytes or even over a gigab...

Fix Windows Activation Command Not Found or Permission Denied

When trying to activate Windows using the command line (slmgr.vbs or slui), you might see errors ...

How to Fix Outlook Rate Limit Error in Office 365

Understanding the Error

You may see a message like "Too many requests" or "Server busy" ...

Fix Windows 10 Error 0xc004c003: Invalid Product Key

You see error 0xc004c003 during Windows 10 activation, with a message that the product key is not...

How to Disable Remote Desktop Certificate Warnings

When connecting to a remote desktop, you may see a warning that the remote computer's identity ca...

Fix 'Windows Activation Command Not Found' by Checking System Files

When you run slmgr.vbs or cscript slmgr.vbs to activate Windows and get...