To delete an environment variable either use the GUI (recommended) or delete the value from the registry withREGdelete HKCU\Environment /V_myvarDeleting a variable with REG will not take effect until next logon due to caching of registry data. Setting value of"" (empty quotes) will appear ...
Set the _MyPath environment variable in the local environment to use the search path defined in the %PATH% environment variable: C:\> SetX _MyPath %PATH% Set the _MyPath environment variable in the local environment to use the search path defined in the %PATH% environment variable after r...