I'm running the most recent version of SmartSDR/CAT and DAX on WIn 7 computer. I began to experience problems with CAT ports for other devices and software. I spent an entire day on it and finally, after attempting to do a repair on SmartCAT following Tim's suggested procedure I got the long "Unhandled Critical Error" message. I also removed ghost ports but that didn't seem to help. I've tired to narrow it down by first turning on peripherals before booting Win 7 and visa versa but it seems difficult to predict and it's gotten worse. I did take a screen shot of the critical error message which is foreign tongue to me and no way to attach the file here. Has anyone experienced this problem and is there any resolution short of deleting SmartSDR and all related files and reinstalling everything? This started when I wanted to establish CAT connection for another radio by a different manufacturer.