Hi Robert. I'm Greg, an installation specialist, 10 year Windows MVP, and Volunteer Moderator here to help you.
See fixes for that error here:
https://www.thewindowsclub.com/0x3d55-package-f...
Run System File Checker from Step 10 in this checklist:
http://answers.microsoft.com/en-us/windows/wiki...
If Step 10 does not find and fix the problem then move to Step 11.
I hope this helps. Feel free to ask back any questions and keep me posted. If you will wait to choose if I resolved your problem, I will keep working with you until it's resolved.
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