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

How to Fix DNS Errors When Searching in Windows 10

If you get a DNS error when searching in Windows 10—like "DNS server not responding" or "Server D...

How to Fix Windows Security Version Mismatch Configuration Error

You may see a “version mismatch” or “configuration error” in Windows Security (formerly Windows D...

Fix Windows Security Service Error 0x80070422

You attempt to open Windows Security and get an error: "The service did not respond to the start ...

How to Set the PowerShell Module Path

When you install a custom PowerShell module or a third-party one, PowerShell needs to know where ...

Fix VirtualBox Kernel Driver Permission Denied on Linux

Fix Windows Update Error 0x80070020: File Locked

You try to install Windows updates but get error 0x80070020. This usually means another program o...