SkyMaxx Pro v4 -Install Error

[zap2play]

Hi

i have buy Skymax Pro 4 vor X-Plane 11

I become an Install Error: (See upload Image)

The plugins folder exists and has no write protection
I've checked it. I have writing rights. What can I do?
The installation with administrator rights I have started, also no success

Greeting, Zap

Edited February 24, 2017 by zap2play

[zap2play]

Sorry, i habe boot my PC and nur its workt, thx