QuickBooks error code 15106 is an error related to the QuickBooks payroll unable to update. The user might come across the issue, while working on the QuickBooks software. It is a very common issue that can be seen due to problems in the update program. The message indicates that the update program has been damaged. There can be various causes of this error, which will be discussed later.
You may see the following error messages on your desktop screen:
Error 15106: The update program cannot be opened
or
Error 15106: The update program is damaged
Thus, make sure that you read the post carefully till the end, or you can also get in touch with our QuickBooks support team at our toll-free support number +1-844-405-0906, and they will help you out with the process to fix the issue.
There can be a couple of causes behind the QuickBooks error code 15106, namely:
The user can fix the QuickBooks error code 15106, by carrying out the steps above:

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Resolving the QuickBooks error 15106 becomes easy by carrying out the steps above. However, if you continue to face the issue, then we recommend you to consult our professionals right away at our toll-free support number +1-844-405-0906. Our QuickBooks premier technical support experts will help you out with the process with much ease.