Lines over Images

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Lines appear over linked jpgs and pngs in my indesign files and stay when I go to export the file. No issues are flagged within the file. This has been happening for months and I can't seem to fix it. Help please! 

[Frans v.d. Geest]

On a Mac? Turn off 'GPU rendering' in Preferences.

(In the future: please list your OS and OS version - like Mac, Windows 11 etc.- and the version of InDesign you use, otherwise we have to keep guessing 😉  )