Setup SilverStrip on IIS 6 (Win 2003), per the instructions on the website (no URL rewrite).
All pre installation checks are ok.
Gettting this error:
PHP Warning: unlink(mysite/_config.php) [function.unlink]: Permission denied in W:\Websites\jtech\jtech_EMORY\warburtoncapital.com\www\install.php on line 705