web/index.html - Internet Explorer doesn't support HTML5 (nah, IE9 does).

CPU (32 bit or 64 bit): 64bit
Operating System information (including Service Pack Version): Vista SP1
Actively-running security and utility applications : N/A
Specific symptoms of the bug, and steps you can take to reproduce it (step by step): just run that index.html file with IE9.
Specific steps you have taken to try to resolve it: got no rights for file edit (license).
If you pc reboots or you have a BSOD please post it in the bug report: N/A
Report if you are using an Administrator account Or a Limited User account. Vista users please Report if you have UAC Disabled or Enabled: User with admin rights, UAC disabled.

Just got this HTML5 not supported message, however, IE9 got support for HTML5.