I am working on rightfax, we are moving to win 7 platform. the app works on win XP but on win 7 it installs successfully with an error status 1603.
When I look into the log file, the error starts with the custom action CreateFaxCtrl returned error code 1603(note this may not be 100% accurate if translation happened in sandbox)
And also noticed this in the log file, failed to create faxctrl printer RFMSIAdd2 returned 126
As anyone faced he same issue
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