Specify user authentication failed in SUM

Hi,

I want to upgrade Support Package via SUM. When the step Specify Credential I got error that username or password is incorrect. Whereas I input a correct password. I used <SID>ADM and the password within os level user.

I have been check note   927637 and try to applied service/protectedwebmethods = DEFAULT  in profile parameter within SAP System but still error.

Here attached my screenshot.

Thanks in advance.