Syntax Not Understood Error For Robots.txt File in Google Webmaster Tools

I came across a strange problem while I wasI Googled for this and found a link which was talking
reviewing webmaster tools. I signed in with my googleabout exactly the same issue I was having. After
account and started reviewing my settings. I chose thecreating my new robots.txt file by using ANSI encoding
website I validated before and clicked Sitetype and checking it from this link problem solved. Well
configuration>Crawler access respectively.at least seems like that. I have been checking Google
In the Test robots.txt tab, I saw interesting errors thatand it is still showing me the same error. I think it is
was saying:going to take some time to reflect new changes.
Line1:  ?User-agent: *              SyntaxThis is the link I found the solution for this specific
not understoodproblem:
Line2:  Sitemap: Valid Sitemap reference detectedThis is the link of the web site which gave me the
 Â Â Â Â Â Â Â Â Â Â Â  No user-agent specifiedopportunity to check my robots.txt file:
I checked my robots.txt file again and again. ThereYou can find the related blog entry in the following link
was no question mark in Line1 of the robots.txt fileas well.
which google claims there is.Have a great day.
I create a new robots.txt file by using notepad in Vista-Update:
Home Premium operating system and uploaded thisAfter waiting some time the change happened as it is
new file into my production server. I waited for about aexpected.
day and checked again. The same error was still there.