Check to see if your virus protection software has quarantined that .dll.
Sometime it is interpreted as unknown access.
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3) For Comunity Help add your specs to your SIGNATURE AND.
Include: 1) One Sentence Description 2) Expected Results 3) Actual Results 4) Steps to Reproduce
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Just a side comment and nothing else.
First post from 2015 which got no response.
The second poster brings up and old thread, and just quotes first poster and adds nothing (his very first post).
Just pointing it out, others can fill in the gaps, that is all.