Tv skips back and pvr recording

[wireless]

Hi my tv skips back about 5 seconds and u won't even be touching the remote, it does it ever couple hours. And the pvr recorded 2 movies that I didn't want and I wasn't even home to get the pvr to record it

More... (https://forum.telus.com/t5/Internet-TV-Home-Phone/Tv-skips-back-and-pvr-recording/m-p/86365#M16921)