ICD-s software corrupts MPLAB?

[Dem]

I found that installing ICD-S s/w corrupts MPLAB 6.xx or 7.xx - it stops importing .HEX files into the memory, probably due to registry changes for .hex extention. When I perform in MPLAB File->Import , I get the message "The format of the file xxxxx.hex can not be read or written because it extention was not recignized." - it happens after every ICD-S s/w update. MPLAB reinstalling solves the problem, but maybe someone has more elegant solution ?

[PCM programmer]

See this post on the Microchip forum:
http://forum.microchip.com/tm.asp?m=52903&mpage=1&key=extension%2Crecognized&anchor#52995