BSOD: UNMOUNTABLE_BOOT_VOLUME ERROR STOP : 0×000000ED

Blue screen errors are now days become very common. we dont have to do a os reinstall for all the blue screen errors. just follow these steps and it will resolve this 0xED blue screen issue.
Step 1 : Boot the computer with Windows Installation Disc
Step 2 : Press ‘ R ‘ in the initial screen and go to recovery console.
Step 3 : Enter 1 for Administrator in most cases
Step 4 : Type ‘ chkdsk /p ‘ and hit enter.
Step 5 : once that is completed type ‘ fixboot ‘ and hit enter.
Step 6 : now type exit
Step 7 : Reboot the computer
Note : if you still have the issue then follow the same steps but instead of ‘ chkdsk / p ‘ use ‘ chkdsk /r ‘ and do the rest. but this command will take 10 mins to 1 hour some times.

Microsoft adds Live Messenger to Xbox 360

BEIJING, April 10 (Xinhuanet) -- Microsoft Corp. on Monday announced the launch of Windows Live Messenger on its popular entertainment platform Xbox 360.
Microsoft said this service will allow people to connect and chat directly from their television with other Messenger-enabled users on Xbox 360 consoles, Microsoft Windows-based PCs and Windows Mobile-powered devices.
Windows Live Messenger currently has more than 260 million active accounts, the company said.
Users can text chat with up to six people on their contact list at one time while playing games, listening to music or watching movies, according to the company. Individuals can already communicate via voice and video chat with Xbox Live.
The Messenger capability will be available beginning the week of May 7. Microsoft said it will launch a Qwerty text-input device over the summer to support text messaging.
(Agencies)
http://news.xinhuanet.com/english/2007-04/10/content_5955555.htm