It sounds like you have a 64 bit version of ModelMonitor and are running it on a 32 bit system.
-----Original Message-----
>From: Emilio Sanjuan <
emili...@gmail.com>
>Sent: Nov 12, 2013 10:01 AM
>To:
mod...@googlegroups.com
>Subject: [MODFLOW] Error code 193 in ModelMonitor
>
>Hello everybody,
>
>I have a problem with a model, when I run the model, I receive this message
>"System Error Code 193. %1 is not an application win32 valid"
>
>Thank you.
>
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