Hi,
Perhaps this didn't come across clearly enough in Mohamed's reply: it's in PayPal Express' distinct nature that it doesn't behave like other "regular" payment methods in HikaShop. PP Express wants you to go straight to paying with them, "through PP's checkout", so to speak. So, if you're using this, it's normal behaviour.
PayPal Standard (Mohamed called it "classic") should still be working as it does for me... if it did not, you'd sure see a lot of screaming here and elsewhere, including from myself, haha. So, not sure why PP would tell you this.
If I were you, I'd disable or remove PP Express from my payment methods and use PP Standard instead -- as Mohamed suggested. Give it a shot, and you'll see it'll be fine.