AutoCAD 2013/2014/2015

AutoCAD 2013/2014/2015

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Distinguished Contributor
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Registered: ‎01-26-2009
Post 1 of 4
Accepted Solution

Drawing is invalid

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09-14-2012 10:32 AM

I tried the following 2 methods and it still didn't work.  I kept getting this "drawing is invalid" message.

 

Recover

Open this dwg file in TrueDWG

 

I read some threads that you now have to have the old AutoCAD to open the 2007 or before dwg files.  Is that true.

If anybody can open it I greatly appreciate it.

 

See attached.

looking at the frile in notepad++,  every character is a NUL.  at a guess, somebody used an application to wipe the file and over-write it.  ot else a pretty substantial error on the hard drive

*Expert Elite*
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Registered: ‎11-06-2003
Post 2 of 4

Re: Drawing is invalid

09-14-2012 10:40 AM in reply to: diesellam

I opened your file in Windows Notepad and it has no header: it's a dead file. Valid DWG files have headers that start with AC then digits.

 

Not even my third party DWG-capable software can open it. It's a dead file. Nothing to recover.

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*Expert Elite*
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Registered: ‎12-05-2005
Post 3 of 4

Re: Drawing is invalid

09-17-2012 08:13 AM in reply to: diesellam

looking at the frile in notepad++,  every character is a NUL.  at a guess, somebody used an application to wipe the file and over-write it.  ot else a pretty substantial error on the hard drive

Distinguished Contributor
158 Posts
2 Kudos
Registered: ‎01-26-2009
Post 4 of 4

Re: Drawing is invalid

09-19-2012 09:34 AM in reply to: JGerth

You guys are right.  I already told the guy and he told me the file is corrupted for some reason.

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