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Gene Buckle
85
Strong name signature not valid for this assembly Infragistics4.Win.Misc.v15.1.dll.
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Today I dropped a new build of my application (ClickOnce installer) and when folks get the update notice, the installer kicks off and completes the install, but then aborts with the message shown in the subject line.

A previous installer drop earlier in the day did not have this issue.

Any idea what I can do to resolve this?

This is a serious show-stopper for me - I really need Support to step up on this one.

Thanks.

g.

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  • 85
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    After much panicked running in circles, screaming and shouting I found the sn.exe tool - this is used to validate/add strong names to assemblies.  When running it against the Win.Misc DLL, it did in fact have a bad "strong name".  I then checked another copy of the same DLL in a different location, and it came back as being ok.  The byte count between the two files was identical, but the MD5 hashes were different.

    I renamed the "bad" DLL and copied the "good" DLL in.  After dropping a new test installed, I got the same error, but on a *different* DLL! (UltrawinGrid this time).  After discovering this, I checked all of the DLLs and didn't find any others with bad signatures.  I then did the same copy operation and dropped a new installer.  Problem solved.  Three cheers for those signed DLLs, otherwise the corruption would have gone un-detected until the application started doing REALLY bad things.

    g.

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