Stayed with QuickBooks error code OLSU 1013 and don't have a clue what to do? It can occur because of different reasons, for example, obsolete renditions of the QB Desktop or an issue with the Internet association. Indeed, on the off chance that you have gone over any such issue, at that point, you don't have to stress any more. The underneath referenced technique will help you settle the issue at the most punctual.
Strategy: Enable TLS 1.2 Protocol
From the start, you need to open Internet Explorer 11. Additionally, ensure that you are utilizing the most recent adaptation.
At that point, click on the Gear symbol.
From that point onward, go to the Internet choice followed by the Advanced tab.
Presently, go to the Security segment and unmark TLS 1.0 and mark Use TLS 1.2
Further, click on Apply followed by OK.
In conclusion, close the projects running out of sight and reboot the framework.