Download and install the latest up date relevent to your Mixvibes software, no doubt 7.100..
downloads.phplet us know how you get on.
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woops, i see you have already... my bad.
try working with the tracking force and anti-skate of your tune arm, too little or too much force can prevent clear pickup of the timecode from the vinyl. recommended tracking forces should be listed on the manufacturer of your cartridge's website.