Same issue here for me for some days now (about 3 days ago).
Each time I'm trying to modify a file coming from Lr in Ps make Lr crashes 100% of time when going back in Lr.
I've noticed that sometimes another window is opened in background with title "shadow" but I'm not able to do any deal with it.
I've also noticed that Lr is now crashing any time when he wants while in development mode and exploring the files.
Only way to get out of this is to kill the process in the tasks manager.
I've tried several corrections ( purging database caches, re-installing Lr, ... ) but nothing is working.
This is over boring and we have other things to do than loosing time in such an issue.
Hey Adobe Guys, Please help quickly !!
Else I will not have any reason to keep a subscription ...
So it seems we have the source of the problem : GPU acceleration !
Last AMD ATI drivers is obviously the origin of a conflict so 2 ways to solve the issue :
1. Going back on an older driver
2. Desactivate GPU Acceleration
It sucks, boring issue !!
Will try this to see if it's okay ...
This it !!
Trying to desactivate GPU Acc in Lr makes it crashes instantly 100% !!
Here is an offline way to disable it :
Deactivate the GPU acceleration while LR is not running:
Navigate to %appdata%\Adobe\Lightroom\Preferences\Lightroom 6 Preferences.agprefs and change the following line:
useAutoBahn = true,
to the following
useAutoBahn = false,
Save and close and launch Lightroom 6 again
It's Okay JBT you can go this way it's working fine for me !!
(desactivate GPU Acc.)
Not the best way to solve it but it's working with no more crashes so let's go with it right now