Traktor Pro download and use problems

System

This discussion was created from comments split from:

Native Access - download failed

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GTXX

Hi 
My name is Greg Thomas. I have several disabilities, and I have been using Tracktor to DJ with my friends with the following problems. 
Currently, 

• I cannot download and use Traktor Pro 4 
• The playlists created in Music are not being transferred to Traktor Pro 3 for use
• Other tracks in Music are constantly not being accepted by Traktor Pro
• Library transfer/import from Music to Traktor

I live in London, England and am willing to go to a Native Instruments to carry out the solutions/fixes required 

I appreciate any help you can provide. 
Kind regards
Greg+44 [phone number removed by Moderator]