See https://forum.qt.io/topic/111473/maintenance-tool-error-cannot-open-file-for-writing-no-error/
In summary, a bad BIOS prevents QTemporaryFile from generating different filenames each run. The Qt Installer encounters name conflicts and produces a cryptic error message: Cannot open file "" for writing: No file name specified Is this worth a post on the Qt Blog? I foresee many frustrated and confused Ryzen users out there who would benefit from a reminder to update their BIOS. Regards, Sze-Howe _______________________________________________ Development mailing list Development@qt-project.org https://lists.qt-project.org/listinfo/development