I'm not sure where to turn, since Adobe's support is so abysmal. I've had several issues since Lightroom 2.4 (now I'm on 2.6). There's work arounds, so I havent' complained, but it is getting annoying:
1. Every time I launch LR it asks to backup my gallery (Backup set to every 7 days) even if I had previously launched it (And ran backup) 10 minutes priot.
2. File associations for LRCATs has gone missing since 2.5. When I doubleclick a .lrcat file, it loads in Adobe Reader.
3. If I install a plug-in, it's valid for that session, but when I exit and reload Lightroom it has no record of that plug-in, so I have to reinstall it again.
4. If I make any preference changes, it doesn't seem to know about it next time I load.
This seems to be the case with all of my catalogs. If I had to make a recommendation, it would be to reinstall the application, but it seems that each of the upgrades kind of does a full install everytime.

