Quicken error code OL-221-B is a runtime error that occurs when the Quicken software crashes. The symptoms include sluggish windows response, your PC freezes while running, and gives error Quicken error OL-221-B. You can eliminate it using some simple techniques. Firstly, you will have to close the conflicting programs, and for that, visit the task manager (ctrl+alt+del), click the process tab, highlight the problem program, and click end process. The next step is to update or reinstall the conflicting programs. Go to the Control Panel section on your computer, click uninstall a program, click the program that's creating a problem, and select update or uninstall. Now keep on following on-screen instructions to complete the process. Now relaunch the Quicken application and check if the problem results. Reach out to the Quicken technicians if you are still facing the problem.