I know this hasn't been an easy process for your, Dmillerss. Allow me to chime in and assist you in getting things sorted out for you.
Since you're still encountering these specific errors after doing all possible troubleshooting steps above, I'd suggest contacting an IT professional to help us identify the root cause of the issue. Also, it may be a problem with your operating system, and they'll consider checking your desktop to investigate further.
Additionally, you'll want to visit this article for more detailed information on how to fix .NET Framework errors: Manually fix Microsoft .NET Framework errors.
Moreover, I'm adding these references that will guide you with self-help articles and reinstalling QuickBooks to fix company issues and start with a clean slate if necessary:
We'd love to hear more from you if you require additional assistance troubleshooting your desktop file. Please don't hesitate to reply in the comments below. Keep safe!
