Quickbooks in endless loop of asking for a reboot to install after installation and update.

I appreciate your efforts in explaining the details of what happened, @kdrew. There are several reasons why you are experiencing this type of problem in QuickBooks Desktop (QBDT). I'll provide some troubleshooting for this one.

If your client is experiencing an endless loop of being asked to reboot to install QuickBooks Desktop Enterprise 2024 after an update. Here are some possible reasons:
 

• Corrupted or Damaged Hard Disk
• Damage or missing QBWUSER.INI file
• A lengthy Company Name
• Wrong Installation of QuickBooks Desktop
• Old and Outdated Operating System

In the meantime, here's what we can do to find out what's causing the problem:
 

• QuickBooks tool hub ( Run Quick Fix my Program )
• Check for Pending Windows Update
• Run QuickBooks as an Administrator
• Run a repair of QuickBooks
• Check for Conflicting Programs
• Reboot the System

We can also check if the required components like Microsoft .NET Framework, MSXML, and C++ Redistributables are installed and updated. QuickBooks Desktop depends on these components.

Also, you can refer to this article to find out what your computer needs for the best experience in QuickBooks Desktop 2024: System requirements for QuickBooks Desktop 2024.

For future reference, you can check this article on how to record common customer transactions in QBDT: Customer transaction workflows in QuickBooks Desktop.

If you have further questions and need further assistance in managing your client in QBDT, feel free to click the reply button. I'm always here to help.