There have also been some issues reported with v.126.96.36.199 changing user configurations such as the preview settings. This may well explain some of the problems.
I have not had any issues with 188.8.131.52 thus far.
[B]Doubt[/B] should bkup with[B] Customize [/B]or [B]Main Movie [/B]without any problems.
Be certain to choose [B]Title 43 [/B]as posted in one of the threads on Doubt.
Fengtao is working on this flick and should have it sorted anytime now