My crop tool looks different and the canvas keeps glitching.

[kaih30456704]

I was working on a huge file the other day and since then my crop tool has looked glitchy with any other file. The canvas is also glitching when I zoom in or out but I can't get any screenshots or attach a video for some reason. Does anyone know why this is happening? I've combed through all of the settings and it doesn't look like anything was changed. 

[Kevin Stohlmeyer]

@kaih30456704 what youre describing sounds like a GPU issue where the crop tool "blinks" as you drag.

Go to Photoshop Help Menu/System Info and copy/paste details in a reply. Post only once as the system takes time to process the large amount of data.