 my solution to admin login loop problem
If you are having problems logging onto the admin login panel and it is returning you to the logon screen check in php.ini the following;
session.save_path = a real directory eg C:\WINDOWS\Temp
session.save_path = C:\WINDOWS\Temp
and make sure it is not still commented.
Also check permissions to this folder...
This solved it for me are the default from installation was not working.
doug | 
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