What is causing this error and how do I solve it?
The installation of an unspecified application has added an entry to your registry, causing it to automatically start netsh.exe within a Command Prompt or PowerShell prompt when you log into your user, due to the default profile being Git-Bash this unspecified action fails and is the source of your error. You can either delete this registry key or change the default shell within Windows Terminal.
The simplest solution is to just modify settings.json and change the following:
As for the cause of the error, you have an entry within your registry that is attempting to start a terminal when you log into your user profile. Due to the fact your default profile is Git Bash which is incompatible with netsh.exe, the netsh.exe action fails and generates the error your asking about. The line causing this behavior is the following:
"commandline": "\"%PROGRAMFILES%\\Git\\usr\\bin\\bash.exe\" --login -i -l",