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Tips and Tricks HQ Support Portal › Forums › WP eStore Forum › "Download file cannot be opened. Please let us know. Thank you!"
Tagged: allow_url_fopen, downloads, estore, fopen
Update: Replacing all occurrences of space characters with underscore in folder and file names resolved the problem. Remember to also update all URL in the product database, including any URL listed in the variation field.
Thank you! everything works now!