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Re: Front end - Error when saving file

• To: mathgroup at smc.vnet.net
• Subject: [mg119570] Re: Front end - Error when saving file
• From: Eric Cousineau <eacousineau at gmail.com>
• Date: Fri, 10 Jun 2011 06:39:31 -0400 (EDT)
• Reply-to: comp.soft-sys.math.mathematica at googlegroups.com

Got a fix for ya! (Sorry I didn't post it earlier)

Somebody in Wolfram support saw my post on the mailing list and sent me an email:

"This appear to be a known issue with some Linux distributions that 
when Mathematica has two or more notebook files open at once and 
closes them, the second and later ones give this warning message 
without cause.	In the examples that have been reported, the notebooks 
are fine. 

The workaround is to use the option inspector to set the option 
FileChangeProtection to None.  (See the attached screen shot.)	
This disables the checking for when a notebook has actually been 
changed outside Mathematica, so be careful about having the same 
notebook open in multiple windows or applications at once."

They attached this picture (I uploaded it to 2shared): http://www.2shared.com/photo/xph3MBA5/FileChangeProtectionScreenShot.html

To go to the Options Inspector, press Ctrl+Shift+O, or go to Format > Options Inspector. Be sure to set "Show Option Values" to "Global Preferences". Look up "FileChangeProtection", or look under "Notebook Options" > "File Options", and set it to "None".