You must make sure to disable this type of software before you can make a purchase. Here are step-by-step directions for every browser:
Chrome: Menu > Settings > and select “disable extension” in the “Proxy” section.
Firefox: Select Tools > Options > Advanced Network > Settings. In the Connection Settings window, ensure that the ‘No Proxy’ option is selected. Then click on the 'OK' button to apply the changes.
iPhone: Go to Settings > General >Tap VPN. > Toggle 'OFF' the VPN status to Not Connected.
Android: Open Settings > Network & internet Advanced > VPN. If you can't find it, search for "VPN."> Next to the VPN that you want to disconnect, tap Settings. To disconnect: Turn off that VPN. To forget the network: Tap Forget.