Sorry for the long delay. The problem inexplicably went away for a while, then just as inexplicably returned. System Config: MB: Asus X99E CPU: I7-6800K Mem: 48GB DDR4 3200 Graphics: NVIDIA RTX 3070 FE Drives: Data: WD Black 4TB, 1.4TB free Bridge Cache: Sandisc SSD 240GB, 195GB free OS: Windows 10 Pro Ver 21H1 Build 19043.1415 Bridge Ver: 12.0.0.234 Files/Formats Doesn't matter. This happens in every folder, some with all psd files, some with all dng files, some with a mixture of dng and psd, some with a mixutre of nef, arw, and dng files. It also doesn't matter if the folder is on an SSD or standard drive. Thumbnail quality & Preview generation settings: Identical to your suggestion above. Sample files on which you are observing the issue: Again, doesn't matter. Problems: When I open Bridge, even in the same folder I've been using for days, it takes 15-20 seconds to "Build Critera." Some thumbnails appear in the Content window, but if I scroll down, none or just a few scattered thumbnails are shown. Bridge consumes up to 99.4% of the CPU. It dosn't seem to matter how long I have Bridge open - after several hours, it's still consuming over 90% of the CPU. Opening a file in ACR takes 20-30 seconds. All controls are laggy at best. Your products are simply unusable like this. I spent a lot of time collecting and sending log files the last time this occurred (in a previous release). I'm willing to do that again. I would like to continue to use Adobe products, but not when I can't get anything done.
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