I still have problems with the same folder and is just on this PC the other works fine, it´s really strange. It had added the files but worked for one day, after I turned on the PC on the next day the same problem appeared.
I uninstalled everything, WMP, codecs and reinstalled the WMP, the latest Shark codec pack, witch I prefer.
I even tried to use the Microsoft Fix It automated solution for it and nothing. Here is the site: Microsoft Fix it Solution Center: troubleshooting software issues
I´m still tring to solve the problem, I don´t know if the SRS plugin http://www.srslabs.com/
conflicts with Shark or WMP, haven't found nothing about it so far.
I also uninstalled the WMC because I never use it.
If anybody can give me some direction here I would very much appreciate it. This is really pissing me off!
I tried everything that NoN recommended, Shark007 recommended and still on the same here