I HAVE PROBLEM IN EXPORTING JPG, PNG FILES

Hi Everyone,

Please help me to resolve the following problem in X5

My coral draw, X5 was working perfect, and Since last two days I am having issue that, when I export file as JPG, PNG, GIF.. it keep process long time and get stuck (I have shown picture), after this process entire file get stuck (I have shown picture)

      I 

I guess this problem started, as I update my Youtube Downloader, there is antivirus software called "Avast" auto installed, and I uninstalled it. After this only this problem started.

Thanks for all for your support.