Image in preview zooms larger; MP4 output looks okay

Question

I have a series of images go from 20% to 85% in size, one after another, with a dissolve leading off each image.

Suddenly in preview mode, the images now jump way too large and then back to their proper size. (They were behaving correctly a few minutes ago. And yes, I restarted my Windows 10 PC and restarted Premiere.)

When I output to MP4, the sequence works as intended. But I admit it's disturbing to see the preview act so weird. I literally can drag on the timeline, an image will jump way too large, then if I pause it reverts to its correct size. Puzzling!

Have you experienced this? Should I be concerned that perhaps my file is corrupt and I should *start over*?

Thanks for any input.

Orson

R Neil Haugen · Answer

When Pr starts being weird always try trashing preferences and deleting the medi cache/cache database files. There are FAQs on these in the FAQ page linked at the top of the Overview page of this forum.

Neil

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