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

Fix Windows Search 502 Bad Gateway Network Config

You search for a file in Windows and get a "502 Bad Gateway" error. This usually means Windows Se...

How to Fix slmgr.vbs High Memory Usage During Windows Activation

If you notice that slmgr.vbs is using a lot of memory (often 100 MB or more) on your...

Task Scheduler Configuration Checklist for Sysadmins

Task Scheduler is a reliable tool, but misconfigurations cause silent failures. Use this checklis...

Fix Windows Activation Port Already Allocated Error

When you try to activate Windows and see an error like "port already allocated" or "address alrea...

PowerShell Command Not Found but Works in CMD

Fix ERR_CERT_AUTHORITY_INVALID in Chrome

When Chrome shows ERR_CERT_AUTHORITY_INVALID, it means the browser cannot verify...