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Solve CVT1100: duplicate resource. type:MANIFEST issue in Visual Studio for MFC/C++

, 2 Sep 2011 CPOL
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Solve the CVT1100 error.
fatal error CVT1100: duplicate resource.  type:MANIFEST, name:1, language:0x0409

If you ever encounter this error while compiling (usually a downloaded project from internet), then remove the manifest file and remove the reference to the manifest file in the .rc file.


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About the Author

Mukit, Ataul
Chief Technology Officer Rational Technologies
Bangladesh Bangladesh
C++ is not C with classes, JQuery is not Javascript, Google Search is not Learning, Design Patterns are not fashion, A code written in 2005 is not backdated just because it's 2015
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Comments and Discussions

QuestionLinker options for manifest file PinmemberMember 342179028-Nov-14 6:54 
GeneralMy vote of 4 Pinmemberlittlewater14-Sep-13 23:42 
GeneralRe: My vote of 4 PinmemberMukit, Ataul27-Sep-13 7:08 
QuestionBut *WHY*? PinmemberSynetech17-Jul-13 6:43 
GeneralMy vote of 5 PinmemberGhasrfakhri30-May-13 21:59 
QuestionYou may also need to fix conflicting resource ID's ... PinmemberBob100021-Feb-13 5:46 
Nearly the solution!
The error is often cause by two resources having the same resource ID
i.e. the same source resource (.rc) values in a (downloaded) library as in your main application.

This needs to be fixed by making sure any included resources (from a library) do not conflict with your main program resources. A quick edit of the ID numbers will fix the problem (don't forget to alter the next issue number at bottom to the resource file!),
For our own libraries we ensure they all use different ranges to the main application.

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