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

How to Run Windows Security Features on Ubuntu

If you need to run Windows-specific security features—like Windows Defender, Windows Firewall, or...

How to Fix PowerShell DNS Errors in Windows

When PowerShell throws a DNS error—like "DNS name does not exist" or "Cannot resolve the server n...

How to Fix PowerShell Error 0x80070002 (File Not Found)

PowerShell error 0x80070002 typically means the system cannot find the file specified. This often...

Fix Windows Activation Proxy Server Not Responding

When you try to activate Windows and see “proxy server not responding,” it usually means Windows ...

Fix Windows Activation Invalid Configuration After Hardware Change

After replacing a motherboard, CPU, or hard drive, you might see "Windows isn't activated" or "In...

How to Fix 'Microsoft Store Command Not Found' Error