Lightroom 2.2 and CS3 Panorama/Merge (Windows)

Question

Prior to a system crash, merge/panoramas worked flawlessly for me on a Windows Vista system. At the time, both LR and CS3 were on the same drives.
Since the crash, I have the two programs on different drives and other than basic edits, all other options (pano/HDR, etc) are grayed out in LR. Does LR require CS3 to be on the same drive?
Thanks,
David

Answer 1

FWIW:
Note long post, but maybe your fix:
1. Check to make sure you have sufficient scratch disk space.
2. I just upgraded to LR 2.2, and still have PS CS3 (both on the same drive). LR gave me a warning about camera raw mismatch (5.6 for LR 2.2 and 4.7 for CS3 -the last one to support CS3). I had the option to continue, and doing so, the application stopped indicating that the images could not be stitched as it could not find any matches. Which was not so as had I done the very same thing prior to the update.
So, I opted to go back to LR 2.1, and discovered that Adobe listed the 2.1 update, but gave me the 2.2 download instead. So I had to get the file from someone else.
After downgrading, I then had to replace PS CS3's camera raw with 4.5 (The one that worked for me). Even though LR 2.1 was 4.6, and PS was now 4.5, I ignored the warning box and opened the files anyway. The merge went flawlessly.
I then went into update preferences in PS and turned off automatic updates.
Obviously upgrading to CS4 would avoid all this, but that's another story.