# \#gametools-8435

**URL:** https://forums.zwift.com/tag/gametools-8435/889.md

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## [PC Error message "Could not find required data files. Closing application now."](https://forums.zwift.com/t/pc-error-message-could-not-find-required-data-files-closing-application-now/271012)

<div class="topic-metadata">

**Author:** [@Kay\_Kietzmann](https://forums.zwift.com/u/Kay_Kietzmann)\
**Replies:** 18\
**Last updated:** [November 29, 2025, 2:35pm UTC](https://forums.zwift.com/t/pc-error-message-could-not-find-required-data-files-closing-application-now/271012 "2025-11-29T14:35:30Z")

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Zwift does not start. There is an error message, which says “Could not find required data files. Closing application now.”. What can I do?