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While Installing H&R Block Tax Software, I Get a DOS Mode (MAC) Error. What Should I Do?

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When you’re installing your H&R Block Tax Software, you might get an error message that says, “This program cannot be run in DOS mode (MAC).” This means the Windows version of our H&R Block Tax Software installer is being downloaded to your system in error.

Fixing a DOS Mode (Mac) Error

To fix the issue with DOS mode Mac, contact an H&R Block support specialist for additional assistance at 800-HRBLOCK (800-472-5625).

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