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

How to Fix Windows Security Not Working

Windows Security (formerly Windows Defender) may fail to open, show a blank page, or refuse to up...

Fix Windows Search High CPU Usage: Disable Indexing

If your system feels sluggish and Task Manager shows SearchIndexer.exe or Windows Search using 50...

Fix Chrome SSL Certificate Errors in Windows 10

If you see a 'Your connection is not private' warning or similar SSL errors in Chrome on Windows ...

Fix WinSCP Permission Denied Publickey Authentication

When connecting to a remote server with WinSCP using SSH public key authentication, you may see t...

Fixing Microsoft Teams Rate Limit Error When Sending Messages

Fix Windows Activation Module Not Found Error 0x8007007b

When you see "Windows activation module not found" with error code 0x8007007b, Windows cannot loc...