Encore goes in the stands, and each time by 80 percent

My problemisthat when I "Import as: Asset -  video filesintoEncoreCS5, Encoregoesin thestands, andeach timeby80 percent.

Thereare subsequenta message that"Encore is not responding."

Inotherinstances,I also seethat error "Encore does not match"

I havelotofRAM-32 GBandmy CPUisInteli7-3.20GHz

I've triedto uninstallEncore and install it again - still have the problem