Here Explain simple order.
1. * Explanation if you can not login
* No payment screen.
If you are using Internet Explorer, follow these steps:
If you are using Firefox, follow these steps:
Choose Edit in the menu bar, click Preferences ... Then select the Security option. Here you can "Javascipt activate" box. Check this box and confirm by closing the window.
3. I can not open the attachment with invoice:
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