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

Fix Windows Security High Memory Usage (MsMpEng.exe)

You open Task Manager and see Windows Security (the process is MsMpEng.exe) using 500 MB or more ...

Fix 'Chrome Profile Service Unavailable Permission Denied'

You try to launch Chrome, but get an error: "Profile service unavailable permission denied." It u...

Fix Windows Search 404 Error by Rebuilding the Index

When Windows Search throws a "404 error" or returns no results, the search index is often corrupt...

BitLocker Service Unavailable in Windows 10: Fixes That Work

You go to turn on BitLocker, but the option is grayed out or you get an error that the service is...

MongoDB Authentication Failed: Administrator Checklist

Fix Chrome Profile Download Not Starting on Windows

You click the profile download link in Chrome, but nothing happens—no download starts, no error m...