The fix that worked for me was to clear the SLCache folder of its contents leaving the folder intact. It is Solution 4 on this Adobe Help page:
https://helpx.adobe.com/lightroom/kb/unable-launch-lightroom-55.html
The fix that worked for me was to clear the SLCache folder of its contents leaving the folder intact. It is Solution 4 on this Adobe Help page:
https://helpx.adobe.com/lightroom/kb/unable-launch-lightroom-55.html