Adobe Photoshop Elements – Very Slow and High Disk I/O

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If you are having extreme slowness with Photoshop Elements (including the latest version, 2020), keep reading. 

Symptoms

  • Extremely slow response time when browsing through catalog of photos / videos
  • High disk I/O (on my system, I was seeing constant read activity of about 150MB / sec
    • if you open Resource Monitor on Windows, you can see on the Disk -> Disk Activity tab which file it is chewing on (sort by Total (B/sec)).  Kill the PSE process, then move the culprit file to another location or delete.

Resolution

  • Delete any slow motion videos that were transferred into the catalog from an iPhone

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