Inventor DWG Corrupted 1

[aquarian2k]

Hello,

I have generate 2D drawing (dwg) from Inventor model, when i tried to open up again it gives me a message file maybe corrupted and cannot open.

It is happenning recently, so far it happenned 5-6 times.
I have Inventor Simulation Suite 2011 with SP1

Please advise how to avoid this situation.

harware has sufficient disk space, .
working on standalone machine and saving locally.
no crashes in middle of saving nor using any 3rd party application

please advise

 

[Gensunasumus]

Go to autodesk site and see if is Subscription pak 2 & 3 available for your product.Also you can find a lot hotfixes.

http://usa.autodesk.com/adsk/servlet/pc/index?id=14022754&siteID=123112

Hope it'll help