According to an e-mail message from Microsoft, last-minute tweaks for Halo 2-Vista edition will delay its release until May 22.

GamePro received an e-mail from Microsoft last week notifying them that the developers of Halo 2 for Windows Vista are forced to delay the release of the game, which had originally been scheduled for an American release on May 8th.

"We're making some updates to Halo 2 for Windows Vista that should improve the install experience and address other technical issues, ensuring that the final retail version provides a fantastic experience for gamers," the statement wrote. "Given these changes, we will be adjusting the on-shelf date of the product."

Although the message did not specifically state how long it will take until the tormenting of Halo fans is finally over, retailers and other video game-related websites have already taken the liberty of extending the U.S. release to May 22nd, 2007.

The news comes in a time when the original project of bringing the Halo franchise to mobile phones ended with a legal war between Microsoft and the company charged with this particular task, and when the much anticipated Halo movie received a deadly setback, as it was suspended for an indefinite period of time. It appears that Fox Interactive and Universal’s retreat from the project was caused by Microsoft stubborness in renegotiating the profit-sharing scheme with the two.