Comment 10 for bug 1525738

Yes, a logfile from a faulty run may help.
Which file type e.g. *.mp3 do you use?

Since 2.0.0 we have done significant changes in the engine.
By luck this issue is already solved.

Could you try the latest build from here, and report if the issue still exists?
http://downloads.mixxx.org/builds/master/release/
Unfortunately these are untested alpha versions
So please backup your %LOCALAPPDATA%\Mixxx folder before.