I'm sorry about the issue. What are you trying to sign in? Is there any error or message?
What exactly have you tried?
What email do you use, such as Hotmail, Yahoo, Gmail, AOL, etc.?
Can you please confirm you have Windows XP (or windows vista, or 7 or 8 or 10, etc.)?
Please reply at the box below. Thank you.
What kind of account is it? What website, etc.? Please let me know. Thank you.
Let me open the issue to an expert who can call you. Thank you.
we need a lot more information from you in order to even know what website you are having a problem with and who "he is" and what brochure etc.
I can get you my phone number and you can talk to me to sort it out if you want.