Checklists for software errors, setup, and tool workflows.

Fix Windows Activation Error 0x80070002 (Dependency Conflict)

You try to activate Windows and get error 0x80070002. The message often says something like “depe...

How to Fix OpenVPN Connection Failed on Windows 10

OpenVPN connection failures on Windows 10 usually show a log message like 'Connection failed' or ...

Fix Microsoft Store Error 0x80072efd (Network Problem)

When you see error 0x80072efd in the Microsoft Store, it usually means the app can't reach its se...

Fix Windows Activation Connection Timeout Due to Firewall

You try to activate Windows, but after a long wait you get a connection timeout error. Often the ...

Fix Go Modules Proxy 'No Such Host' Error

When using Go modules with a proxy, you may see an error like:

go: example.com/modu...