Need to open twice before being able to edit

Dear All,
We moved to 09 a while ago and right now, we have a little weirdissue with assemblies. A lot of time, navigating through anassembly, if we right click on a part and choose to open in orderto edit it, it will open full screen but we can't right-clickanywhere, on the model or on the feature tree, we can just navigateon it.. The solution is to close the file and reopen it again, theneverything works normally.

Do you guys experience the same problem? It's not too muchannoying... but it's a slight bug.

We have it on at least two computers configurated extremlydifferently:
XP64/Xeon/Quadro/09SP2.1 and a V64/i7/FirePro/09SP3.
I don't have report from other users in my work as they don't worktoo much on assemblies.

ThanksSolidworksAssemblies