The preferred browser for running JiPOS is FireFox which you can download and install. Set FireFox as the default browser as explained here.
Open FireFox browser. In the url section type about:preferences#home without any spaces. Type url in the search box which appears. Under Homepage and new windows, select Custom URL and insert the url given to you by the vendor as shown below. In the same search box, type popup.
Click Exceptions in Block pop-up windows section. Insert the URL provided by the vendor in this section, Click Allow then Save Changes.
