Hello all,
I just got this error this morning and thought I’d share my fix for it with everyone in case you are having the same issue. I had been working on an Air app, went to do another build of it and upon trying to install the new version I got the following error.
“This application cannot be installed because this installer has been mis-configured. Please contact the application author for assistance.”
The last thing I had done was switched out my icon for the app, of course this was my first idea as to what was wrong. I figured I had a typo in the .xml, or I had somehow used a freakishly weird .png that somehow wasn’t compatible. After backing all those changes out I still got the error.
Then it dawned on me. It had been a couple weeks since I had done a build, during which time I had cleaned off my desktop including the certificate I had made for previous installs. When I ran through the installer this time I had just created a new one thinking nothing of it. Then I wondered if that was the issue, so thanks to Time Machine I went and grabbed my old cert and tada, fixed.
I suppose it makes sense in the end, that is the whole purpose of the certificate, it disables somebody else from hijacking your app. So rule of thumb, don’t switch the Certificates!
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