I would start a fresh install
Did you buy your proxmark from Dangerous things?
Follow one of these guides STEP by STEP
If you get stuck, or get an unexpected result, stop what you are doing, check your work, if you cant find the error, just ask her eon the forum and somebody SHOULD be able to help you out.
Copy and paste commands where you can, Linux is case sensitive so make sure you type exactly as it is written
Good luck
https://forum.dangerousthings.com/t/handy-dandy-tips-and-tricks/13041/14?u=pilgrimsmaster