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In the Task Manager, the dllhost process has high CPU load. CDI computer reacts very slowly.


Windows tries to create an image preview (thumbnail) for the 1-Bit TIF files. Due the large file size, this can take up to one hour per image.

To disable the thumbnail generation follow the steps bellow:

  1. Open Windows Explorer.
  2. Go to Tools > click Folder options to open it (if not visible, press ALT once).
  3. Check the Always show icons, never thumbnails checkbox.
  4. Clear the Show preview handlers in preview pane checkbox.

Article information
Applies to

CDI all versions

DFS all versions

Last revised16-Dec-13