Stuck with QuickBooks error code OLSU 1013 and don't know what to do? It can take place due to various reasons such as outdated versions of the QB Desktop or an issue with the Internet connection. Well, if you have come across any such issue then, you don't need to worry any longer. The below-mentioned method will help you resolve the issue at the earliest.

Method: Enable TLS 1.2 Protocol

• At first, you have to open Internet Explorer 11. Besides, make sure that you are using the latest version.
• Then, click on the Gear icon.
• After that, go to the Internet option followed by the Advanced tab.
• Now, go to the Security section and unmark TLS 1.0 and mark Use TLS 1.2
• Further, click on Apply followed by OK.
• Lastly, close the programs running in the background and reboot the system.

We hope the above method would have helped you resolve QuickBooks Error Code OLSU 1013 without any hassle.