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I'm having a problem with Video Studio 11 that I did not have with previous versions of the software. It only occurs when I use the program to directly record from my webcam (or other source), the video and audio are not in sync, often the video will just freeze and the audio will continue to go on, even after the timeline has reached its end point. I did not have this problem with VS10. What could be the problem here?

Hardware includes
Quad core Intel Core2 processor
4GB Corsair Dominator DDR2
Dual Velociraptors in Raid 0
Different other drives, Seagate, WD Caviar, etc.
GeForce 9800GX2 graphics card
nForce mobo
Windows XP Pro

Again, the problem does not occur when I'm editing previously recorded video, just when I try to record video with VS11. Any suggestions?

Thanks

You might need to re-install VS10 for this one purpose, or use 3rd-party capture software. I assume the webcam came with it's own software?

Digital video is still evolving, and overall, it's still a mess! There are incompatibilities between the various software, file formats, hardware, and drivers. So, each person usually has to figure-out whatever works with his/her set-up. (When it comes to hardware, your regular computer hardware, CPU, video card, etc., usually isn't a problem... It's the usually video-capture hardware, or camera.)

With VS11, Corel changed the various capture plug-ins that had worked well in previous versions of VS. They now have only one (the IVI [Intervideo] Capture Component). They say the move was forced on them by the advent of Vista, though I suspect it had more to do with them having swallowed up InterVideo! Anyway, the new plug-in caused various problems in the capture phase. The brought out the 6 November 2007 update patch which corrected at least some of them. If you haven't already, you might want to try that.

In addition to the above you might want to try some basic computer housekeeping tasks such as:
Defragmentation of your hard drive(s).
Check the number of background services that are running and stop any that are not necessary (see Creating a video editing profile)
Clear temporary files.
Run a registry cleaner.
There are a few hints and tips in this link:
Troubleshooting your computer

Over a period of time a computer will seem to deteriorate - in fact it is as good as the day you bought it, it does however get clogged up with unecessary "goodies" that attach themselves to the start up processes in the Windows Registry and also the "Start - Programs - Startup" folder.

Thanks for the suggestions, I will try the update, but it's not a PC housekeeping issue, this copy was installed on a machine that was less than a day old and had only 3 programs installed on it at the time (other than the default stuff), Firefox, Photoshop CS3 and VS11.5. I doubt that's the issue. I'm not using Vista (don't plan to either, eeks!) So I hope this patch takes care of it. A link would be nice, the site is not easy to get around since the changes were made.

Actually, the Ulead.com site, and the way of finding the update patch, has not changed at all in this respect for as long as I have been using Video Studio, which is a few years now. Ulead.com > Download button, then follow the links. And it brings you to: http://www.ulead.com/tech/vs/vs_ftp.htm where the patch in question is the bottom of the three, dated 6 November 2007.

I note, though, that in your latest post you now say VS11.5 and not just VS11. Has that situation changed? If you have the fully patched version -- which makes it VS11.5+ -- then if you click on the ? symbol in the top right of screen, then About Ulead Video Studio, the version number should be 11.5.0157.2. That will include both the 6 November update patch and the 8 November Power Pack. You won't need the top 'Hot Fix' as that is designed to fix only one specific problem during the installation itself, and you obviously have already got it installed. So it doesn't apply.

Also, have you updated the webcam (or other) driver to a Vista compatible one? I know that with my webcam, I had to find a new Vista driver for it when I moved over to my own Quad with Vista Ultimate 32 bit. However, for standard or high definition digital video cameras, the new drivers should not be necessary.