I cant install vb 4

[elenh]

Durring the installation of vb 4 i got a message about my php version that the system needs php v.5.1.2 and my is v.5.1.6

Why is that happend?

Thank you.

[Lynne]

From the FAQ:

What are the system requirements for vBulletin?
Minimum Requirements: vBulletin is designed to run on every server that has PHP 5.2 or greater and MySQL 4.1.0 or greater installed.

It is recommended to use PHP 5.2.6, or later and MySQL 5.0.19 or later.

Also, questions regarding default vBulletin 4 should be asked on the vBulletin.com forums. See this sticky - Installation Issues / Questions or bug reports regarding default vBulletin 4.0