[Error when opening VectorWorks]

Version 12.5, The error occurs as soon as the program is loading. The error information given...

AppName: vectorworks.exe AppVer: 12.5.0.60761 ModName: quicktime.qts

ModVer: 7.1.3.170 Offset: 000fc0c0

[Error when opening VectorWorks]

When trying to open VectorWorks, the application encounters a problem and closes. I have tried opening from the application folder and my quicktime is up to date. It was working one day and the next it was not. I would really appreciate if this could be answered quickly. Thanks