Nov 24, 2020 · Atomsk-2375 November 26, 2020, 12:09am #4. Switch to the 64-bit client, for some reason the inventory lag is a problem with the 32-bit client. In the Blizzard launcher, go to Options > Game Settings and uncheck “Launch 32-bit client”. 4 Likes. Perlye-2496 November 26, 2020, 9:52am #5. Thank you, I’ll try that.. Common Problems Diablo III is laggy. Diablo III is stuttering. My Diablo III FPS is low. If you are experiencing low frame rates, slow or choppy performance, or long loading times, follow the steps below. Make sure your computer meets the Diablo® III System Requirements. Update your drivers and operating system to resolve any compatibility issues.