PS038 is a payroll error and usually arises when you attempt a payroll update. This can be fixed by the solution we are providing you here:
Update your QuickBooks application
For the same, login to your QuickBooks application and click on the help tab
Then click on the Update QuickBooks Desktop option followed by Update Now and Get updates.
Let the updates get downloaded. Then install the QuickBooks application by agreeing to the terms and conditions.
Now restart your system and log in to QB again. If you are able to get rid of the PS038 error QuickBooks Desktop, we are glad to help. If the issue persists, go for running installation issues from the QuickBooks Tool Hub.