Error: Setup has detected that the file 'C:\Users\...\AppData\Local\Temp\VSD5056.tmp\VSTOR30\VSTOR30.exe' has changed since it was initially published.There are other posts mentioning installing VSTO 3.0 SP1. You might try installing this on the dev machine and republishing.
Tuesday, November 15, 2011
VSTOR30.exe has changed since it was initially published
Note that the following error can be caused by a missing internet connection stopping installation files downloading necessary installation files: