Moving this discussion to the Premiere Elements forum.
According to Google...
http://www.google.com/#hl=en&sugexp=les%3B&gs_nf=1&cp=8&gs_id=2&xhr=t&q=QTCF.dll&pf=p&scli ent=psy-ab&site=&source=hp&oq=QTCF.dll&gs_l=&pbx=1&bav=on.2,or.r_gc.r_pw.&fp=5b031ae01f346 599&biw=1530&bih=579
... that is part of Quicktime, not PreElements... so click the Google link I just pasted and search for a solution
Or... you might uninstall and reinstall Quicktime... I do NOT know if this will work, but it is what I would try if I had a Quicktime problem