If you open up the Command Prompt and everything you enter is replying with an error like “not recognized as a batch file…” then try these steps.
Start menu – type “cmd” or find the “Command Prompt” icon- right click and “run as” administrator.
It can also be environmental issues:
a. Open System Properties- Advanced- Environmental Variables
b. Find “path” and make sure it has the following:
…at the very least. Programs register themselves in this path, but the main path for CMD is the system32 folder.
c. Click okay, close, run “cmd” and run a command. Should work.