Cubase 5 crashing on pitch & warp


I have just started getting this very annoying glitch where my project crashes when I try opening the sample editor for pitch and warp - it gets to 88% in the analysis stage, then comes up with the following error message:
“A serious problem has occurred: Please try to save your project under another name and then restart Cubase5.exe. If this problem persists please contact Steinberg Technical Support with a description of what you do to create this problem, and the created file C:\Program Files\Steinberg\Cubase 5\Cubase5.LOG.”