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

Fix Windows Activation High Memory Usage Error 0x80070005

You might see error 0x80070005 when trying to activate Windows, often accompanie...

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 ERR_TUNNEL_CONNECTION_FAILED When Using VPN

Fix Microsoft Store App 404 Error on Windows 10

When you try to open or download an app from the Microsoft Store on Windows 10, you might see a 4...

How to Fix 'Access Denied' When Setting Windows Security Permissions

When you try to change permissions on a file or folder in Windows, you might see an error like 'A...

Fix Windows Search Indexing Stuck or Not Working

Windows Search stops indexing files, says "Indexing not running," or shows a status that never ch...