Hey everyone I have a weird bug Lightroom seems to crash every time I launch it except when I delete Lightroom 5 Preferences.agprefs after its removed Lightroom launches correctly every time. I have the latest version of Lightroom 5.3 installed. This is more of a question of has anyone elses encountered this bug? If so how did you fix it?
If you have a backup program (online or NAS backup, for example) running, it can sometimes lock files that Lightroom needs to modify and cause a crash. I've seen this happen both when Lightroom starts and when it is exiting and trying to backup the catalogue file. I have reconfigured the backup program that I am using to not do backup of the Lightroom work file areas, this fixed the startup crashes.
Doing a quick search, there are more people that have ran into this problem. Here are some general troubleshooting steps you could have tried as well:
Removing the preferences file is one of the suggestions here. Apparently your Preferences file did get corrupted, somehow... Removing/renaming it, and starting Lightroom anew should resolve it. Unfortunately you will lose your preferences with this step, so be sure to regularly back-up your files!
Protip for the mac version run the Lightroom executable directly from the command line. For me this means running
/Applications/Adobe Photoshop Lightroom 5.app/Contents/MacOS/Adobe Photoshop Lightroom 5 and exposed for me:
$ "/Applications/Adobe Photoshop Lightroom 5.app/Contents/MacOS/Adobe Photoshop Lightroom 5" <snip> 2014-11-19 19:08:10.535 Adobe Photoshop Lightroom 5[87968:507] An uncaught exception was raised 2014-11-19 19:08:10.535 Adobe Photoshop Lightroom 5[87968:507] AgPathUtils.getStandardFilePath: can't create directory at: /Users/myusername/Library/Application Support/Adobe/Lightroom 2014-11-19 19:08:10.535 Adobe Photoshop Lightroom 5[87968:507] ( 0 CoreFoundation 0x00007fff85b0525c __exceptionPreprocess + 172 1 libobjc.A.dylib 0x00007fff87589e75 objc_exception_throw + 43 2 CoreFoundation 0x00007fff85b04e09 -[NSException raise] + 9 3 AgKernel 0x000000010061c742 AgTransitQueue_enqueueToQueue + 3966
'lo and behold, when i checked out the file it was complaining about (at
Library/Application Support/Adobe/Lightroom), it was a broken symlink created by Mackup. Goes to show me for using some fancy software that just "takes care of backups"... Removing that file fixed lightroom