Check to see if your virus protection software has quarantined that .dll.
Sometime it is interpreted as unknown access.
OVERVIEW of how to get your issue fixed.
Search the ONLINE MANUAL, Create a SUPPORT TICKET and or Post Issue.
Needs to include: 1) One Sentence Description 2) Expected Results 3) Actual Results 4) Steps to Reproduce.
My Website, Free Studio One Advance Training
SPECS:Win 10 64-bit, 12 Core i7: 32Gb DDR4 ram, 40" 4K monitor, StudioLive 24, Quantum, Faderport16, Central Station Plus, Sceptre 6,Temblor T10, Eris 4.5, HP60, Studio One Pro 4.0, Reaper 5.9, Sonar Platinum
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.