Windows goes off desktop, can view in expose

[Boots-]

I was chattin on msn for mac. I went into expose and found a friend talking to me, i clicked it but it would show up. Apparently its completley off the desktop. I had to sign in and out. Is there a fix for this

 

[Ashka]

I was chattin on msn for mac. I went into expose and found a friend talking to me, i clicked it but it would show up. Apparently its completley off the desktop. I had to sign in and out. Is there a fix for this

Restarting your Mac may sort it out for you

 

[Boots-]

Restarting your Mac may sort it out for you

i tried that still the same problem