/obj/player
Click()
for (var/mob/M in world)
if (M.name == name)
src << browse("<head><tittle>[src]'s Description</tittle></head>\
<body bgcolor = black><b><strong><font color = blue>Name:[M.name] Key:[M.key]\
<br>\
<font color = blue><b><strong>[M.Race] [M.Class]: Level [M.Level]\
<br>\
<font color = blue><b><strong>Wins: [M.Wins] Losses: [M.Losses]\
<br>\
<font color = green><b><strong>[M.desc]","window=popup")
Problem description:when i click on the player the popup wont come up plese help
Also, remove the / before obj. You don't need it there.
[Edit] You've also got an extra t in both your title tags.