Thanks wd! It worked..... I disabled one by one all the apps, and was testing. Finally I got to a new beta of PC Tools Spyware for Vista 64. Once this one was disabled, it worked. I restarted the computer and enable once again the PC Tools software, and now there is no crash anymore. I appreciate …

Thanks! I did removed the software, and still have the problem... Any other ideas? I appreciate your help and concern. Regards,

Hi! A couple of weeks ago I installed DosBox in my new computer: HP Pavilion tx2000 (Turion64 x2), that runs under Vista 64 service pack 1, I was able to run the DOS programs I need. Just today trying to run DosBox, it starts running but crashes before getting to the window where you mount drive c. …