I've had the same problem as this. Using WinXP 64 and the latest version of Quicktime, it always does this for me. I went back to Quicktime 7.1 and all is now fine. you can download it from
www.oldversion.com
Josh Osborne - Central Innovation
HP Zbook Studio G4 - Windows 10 Pro, Intel i7 7820HQ, 32Gb RAM, Quadro M1200