I have a similar problem, Windows 10, both Firefox and Edge. I get this XML.
<
<Error>
<Code>SignatureDoesNotMatch</Code>
<Message/>
<RequestId>tx0000092825b6d0e799654-0066084d70-3959fff-my-store</RequestId>
<HostId>3959fff-my-store-my-store</HostId>
</Error>