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Autocad Corrupt / Invalid File

Posted on 2010-09-22
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Last Modified: 2013-12-04
Hi,
I am facing an issue that most of our autocad 2007 drawings are getting corrupted or invalid file which accessing it after few days.

I have tried all the required solution mentioned on the google and here and there techie sites but to no help i even renewed my subscription in order to see the solution here in EE but to no help i need your help please.
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Question by:navedj786
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Expert Comment

by:lobo797
ID: 33734814
You've probably been through this post, but something is corrupting the files.  I'm thinking it's a third-party app or some other program that is corrupting the files.  

Is there other apps that you use to work with the cad drawings?

http://autodesk.blogs.com/between_the_lines/2004/01/helpful_autocad.html

All the best..
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by:borgunit
ID: 33735154
Just to make sure, check if you are not saving as a newer version and then trying to open with a lower version of AutoCAD. AutoCAD 2007,2008,2009 can open each other but AutoCAD 2020 files cannot be opened in lower versions.
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by:victorus
ID: 33739085
Save file(s) where you normally save them but then do a SAVEAS and save the same file(s) to your local C: drive. Then when you have a corruption check to see if the same file on your C: drive has the same problem. If NOT then you probably have a network problem that is not associated with AutoCAD at all.
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Author Comment

by:navedj786
ID: 33740974
none of this is the case i use the same autocad version to open the same file and it's saved at my local drive but still it's the same thing that it corrupts / invalid file
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by:victorus
ID: 33742597
You need to determine if there is a problem with the integrity of your C: drive then. Do your regular save abs then a SAVEAS to a flash drive. Do this for all of the drawings that you are working on. If a drawing goes corrupt on your C: but is good on the flash then you may have some bad sectors on your C: drive. If both files go corrupt then you have an AutoCAD problem.
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by:borgunit
ID: 33742716
Another check...Are you running the latest Service Pack for 2007? It goes up to service pack 2 I believe.

http://usa.autodesk.com/adsk/servlet/ps/dl/index?siteID=123112&id=2334435&linkID=9240618#section5
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Author Comment

by:navedj786
ID: 33853915
No solution yet it's not the problem with the shared drive however I created the file again
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by:victorus
ID: 33877348
Do you get the same corruption when you save to your C: drive that you get when you save to a flash drive?
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navedj786 earned 0 total points
ID: 33877859
As I told I tried everything and It was the problem with autocad and there is a antivirus only for autocad cadvirus from Korea it also help as some sort
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Author Comment

by:navedj786
ID: 33877860
As I told I tried everything and It was the problem with autocad and there is a antivirus only for autocad cadvirus from Korea it also help as some sort
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Expert Comment

by:gikkel
ID: 33942357
Perform a fresh installation of autocad.  Completely uninstall and reinstall...it usually gets rid of most problems.  
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Author Comment

by:navedj786
ID: 33949913
I already did it long back
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Expert Comment

by:silverkorn
ID: 34436578
did you try an audit and purge in the drawing? If not i would suggest the audit (keyin: audit) and select y to fix the problems, once that completes then purge (keyin: purge) and purge everything from the drawing. Once that has completed save the drawing and reopen to see if you continue to get the same problems

If this still doesnt work you can try two more things:

1) block out everything from your current drawing into a new drawing. To do this keyin WBLOCK from the model tab in the drawing. Make sure to have the source as 'Objects' and then in the 'Object' section click the 'Select Objects' button and select everything in your drawing. Change the units at the bottom to unit less and give it a new filename.

2) Export the file into a 2000 or R14 format file. To do this goto File -> 'Export to AutoCAD' -> '2000 Format' this will save the drawing in a 2000 format dwg.
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Author Closing Comment

by:navedj786
ID: 37089848
The file was burst after accessing due to the LSP which were getting recoded by the virus and after running the cad virus it helps you to restablize the file and access the Cad files normally.
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