You need to turn off the Graphics Processor from the Lightroom Preferences.
Open Control Panel >> Go to Device Manager >> Under the Display Adapter look for the Graphics Adapter >> Right Click and disable.
Go to Lightroom Preferences from the Edit menu
Click on Performance tab
Uncheck the Graphics Processor
Open and check if it works fine, then go back to the Device Manager and enable the Graphics Processor.
Let us know if that helps.
I'm getting the error when I try to import photos.
You are not using Lightroom 6 / CC2015, you are on 5.7.1, so forget all about the graphic card.
First, I suggest to try to reset preferences. Read post #3: Is there a way to reset lightroom 5?: Retouching Forum: Digital Photography Review
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Thanks for the update re: the graphic card...I'll have to change that back. I will try to reset preferences as directed above when I get home. Also, I found a discussion about these error codes and LR stopping, if another "media device" was plugged into the computer and we had a Samsung phone plugged in at the time of this error. I'll also check that and see which hopefully fixes the problem. Certainly, disconnecting a phone would be an easy solution!
Also, check the plugins you are using within Lightroom specially Mox Plugin.
Try and remove it from the Plugins Manager ( Go to File Menu >> Plug-ins Manager)