QuickBooks is the most trusted and reliable solution when it comes to managing the accounts and payroll functions. However, the users encounter the error where QuickBooks unable to locate PDF viewer due to an outdated or corrupt version of Adobe Reader. Sometimes, this error occurs due to the damaged QBprint.QBP file which needs to be resolved so that QuickBooks can access the PDF viewer. The troubleshooting will require you to uninstall and reinstall Adobe acrobat. You will also need to set Adobe reader as default PDF viewer, click the start button, go to settings, choose a system, and select default apps. Now you will have to select the .pdf directly from the list, click the option to select a default, and select Adobe Reader. Hopefully, you succeeded in eliminating the problem.