R15_69 seems to also be a problem.  When we do an update it shows R15_71.  It seems control Panel uninstall repair will bring it back to R15_27 and QB then works again.  Still having issues when it updates to R15_71

We’re reaching out to you about a recent issue you reported: QuickBooks Desktop 2023 R16_36 & 2024 R15_69 – Slowness when opening or using a company file with attachments. Good news! We reviewed your case and we're happy to say this issue was resolved with our latest release of QuickBooks Desktop.

To make sure you have the most up-to-date information, please update your QuickBooks Desktop to the latest release.

If this is not the issue you are experiencing, please contact us with case number 15141469503 for further review.

QuickBooks Care Team