Installation script doesn't move from step 2
Your server most likely has problems with PHP sessions.
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Download Session test files 
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Upload session_test.php and session_test2.php to your server 
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Open session_test.php in your browser. 
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Click the CLICK HERE FOR PAGE 2 link. 
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If the message says "$_SESSION['test'] is set to: FALSE": 
 Contact your hosting company and ask them to check why PHP sessions aren't working normally.
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If the message says TRUE instead, try this: 1. If you modified any of the HESK files, try with the original files 
 
 2. Try searching for help at the support forum
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