Have a glimpse at the following points that you must remember before fixing QuickBooks bank feed error OLSU 1013: Always ensure that you are using the most recently launched version of the QuickBooks application. Check that you are well-connected with a high-speed internet connection. Make use of correct banking login credentials to sign in to the bank account. Make sure that you are using the QuickBooks application in Single user mode instead of multi-user mode. Ensure that you are using the latest and upgraded version of Internet Explorer and set it as the default internet browser. If the issue persists to fix the QuickBooks Error OLSU 1013 , consult the experts by ringing the toll-free number 855-948-3651.