Why won't the "Print Later" checkbox uncheck on a bill payment that's stuck in the To Be Printed queue?

Normally, clearing a transaction from the print queue is straightforward: open it, uncheck Print Later, and save. If the transaction was actually paid online rather than by printed check, you'd select Pay Online instead of leaving Print Later checked.

1. Open the check or bill payment.
2. Uncheck Print Later, or select Pay Online if the payment was processed online.
3. Select Save & Close.

If the checkbox itself won't respond, meaning you can't select or unselect it at all, that points to something more unusual with this specific transaction rather than a setting you're missing.

If the checkbox won't respond, check for data damage

Run the Verify and Rebuild Data utilities, which scan for and repair common data integrity issues:

1. Go to Window, then select Close All.
2. Go to File, then select Utilities.
3. Select Verify Data.

If QuickBooks reports "Your data has lost integrity," proceed to Rebuild Data from the same Utilities menu, then run Verify Data again afterward to confirm the repair worked.

Still stuck after that?

If the checkbox remains unresponsive even after verifying and rebuilding your data, this is a good point to contact support directly so they can look at the transaction itself. A stuck field like this usually points to something in the file that's outside what's fixable from the transaction window alone.

Resources: 

Create, modify, and print cheques in QuickBooks Desktop

Verify and rebuild data in QuickBooks Desktop

If another question pops up, we're right here.