"Cousin Ricky" <ric### [at] yahoocom> wrote:
> I have recently upgraded POV-Ray for Windows from 3.6.1 to 3.6.2 (32-bit
> edition).  Batch scripts that worked perfectly fine in the past now give me
> this error message:
>
>    Commandline processing error
>    Only /EDIT and /RENDER may be passed to previous instance

Sounds to me like you previously had "keep single instance" disabled
("OneInstance=0" in the pvengine.ini), and installing 3.6.2 changed that
setting.

POV-Ray will not accept the /nr or /exit switches in that case if an instance of
POV-Ray is already running.

> start /w pvengine /nr /exit +a +r3 -j +igamma +ogamma10 display_gamma=1.0

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