php session/cookie

[mon22oct]

I am returned to same login page.
Guess it has php session/cookie. I am completely ignorant about php.
Can I get any help or reference.

installed PHP 5.2.11 .

[BSOD2600]

Verify the following directories you have set in php.ini have NTFS modify permissions from your web server user account:

upload_tmp_dir = "C:\PHP\Uploadtemp"
session.save_path="C:\PHP\Session"