Find one that works and stick to it. Somewhere around 306 will be best. That works well for me. Unless you do a lot of gaming, you won't notice the difference. Never use a beta driver.
Try uninstalling the last driver you installed and then install a 306 driver.
Drivers come out faster than Cyberlink can keep up to date (I guess).
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BoilerPlate: To posters who ask for help -- it is nice to thank the volunteers who try to answer your questions !
Anything I post unless stated with a reference is my personal opinion.