R13_51 not working. How do I re-install R11_20?

Hi, @Shatin1. I recognize the difficulties you've been facing with the update and appreciate your effort to get this resolved.

As of now, there's no option to go back to an earlier update or release after you've updated QuickBooks Desktop. I highly suggest contacting our Support team directly. They have the tools to see what's on your end and gather data to investigate the issue. You will be then getting email updates to them. I'll show you how to reach them:

1. Open your QuickBooks.
2. On the upper right, click the Help menu.
3. Choose Contact Us.
4. Below, select Contact Us.
5. Put the necessary details and select Continue.

You can also refer to this article to check our availability time: Support Hours.

Furthermore, check out this article to know what's new and improved in the latest updates to QuickBooks Desktop: Release notes for QuickBooks Desktop 2024.

Should you need further assistance or decide to discuss more potential solutions, please do not hesitate to reply. We're here to help you.

It's reasonable to want to switch to a previous version of the desktop software that better fits your business needs, Shatin1. However, it is important to note that there is no direct option available to downgrade your current version to an earlier one.

To learn more about QuickBooks's up-to-date latest features and product improvements. Feel free to check this article: Update QuickBooks Desktop to the latest release.

Furthermore, you can explore the article to familiarize yourself with the newest features and improvements in QuickBooks Desktop 2024 and Enterprise 24.0 by referring to the Release Notes for QuickBooks Desktop 2024.

Additionally, for insights into compatibility issues with company files and errors that may occur when upgrading QuickBooks Desktop, you can consult this article: Company file compatibility with QuickBooks Desktop when upgrading

Please feel free to add another post or reply to this thread if you have any further questions regarding your QuickBooks Desktop software. We are here to provide assistance at any time.