Lightroom crashes when opening Preferences | Windows

Issue:

Lightroom crashes when you choose Edit > Preferences.

Solution

  1. Choose Control Panel > Region & Language > Additional Settings > Numbers > Digit Grouping.
  2. Change the number format from 123456789 to any other format (for example, 123,456,789).
  3. Click Apply > OK.
  4. Open Lightroom.
  5. Choose Edit > Preferences.

Additional information

Lightroom incorrectly handles the number format that doesn't contain place separators on Windows, causing the application to crash.

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