Yes it is. You need to modify Corona config file for this. If you using 1.3 rc1 or newer build, go to devel/debug rollout and press Open Config Dir button, or else navigate to C:\Users\your_user_name\AppData\Local\Autodesk\3dsMax[Design]\201x - 64bit\ENU\en-US\plugcfg\corona * and locate most recent file named config-xxxxx.conf, open it with notepad and add such line bool vfb.clearBetweenRenders = false From now on clear vfb will be unchecked by default.
* - path is for windows 7 x64, in other OS's it may be different.
