Here are a bunch of solutions to help you resolve the error code 6094.
It's possible that McAfee is blocking QuickBooks-related processes. In this case, you'll want to add it to your exceptions when doing something in your computer. You might want to reach out to McAfee's support channel or manual for a guide on how to do this.
After repairing, start restoring the old version again to QuickBooks 2021.
When you're done, feel free to read our help content for guides and instructions on how to do a specific process in the program. Browse an article here. There are other topics found at the bottom of the page as well.
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