Toshiba 32AF42 32" TV "dish remote control apart cleaning" Questions

...remote control apart, batteries out, pop apart, (any screws? - remove them.) Clean the rubber contact pad with mild dish soap and water, pat dry. Clean the circuit board with a soft towel and windex ...

...DISH network remote control (programmed to work with my TV) have stopped working. Once in a while they will work but in most cases they will not. I have precluded that this is not a remote control ...