Share files with your friends

Web site Upload.sc lets you share large files with your friends.

Upload up to 100-megabyte file (it's free) and enter the recipient's email address. An email will be sent to the recipient with instructions on how to pick up the file. And you don't need registration for that.
Your buddy don't need to wait to download the file, and the file is scanned for viruses.
Try it, you could like it.
-- upload.sc

You need to protect your computer? You may do it for free...

While viruses remain a threat to our precious data, you need not necessarily invest in expensive antivirus scanners - there are plenty of free options available that may give even some commercial vendors a run for their money.
Free Online Virus Scanners (run inside the web browser to scan your hard drive - but they'll ask you t install a little activeX, or a java application, you should allow it to be scanned)

• Trend Micro HouseCall - allows you to remove detected infections. Works with Firefox and IE. Requires Java.

• McAfee Freescan - prepares a list of infected files and links to information about the viruses on your computer. It also gives you an option to clean your system. Requires IE with ActiveX.

• Windows Live OneCare Scanner - scanner from Microsoft that cleans your system from viruses and also recommends ways to improve the overall performance.

• Symantec Internet Security - can detect most virus threat but there is no option to delete the virus infected file or repair it. Does not examine compressed files. Requires IE with ActiveX.

• BitDefender Online Scanner - scans your system's memory, all files, folders and drives' boot sectors - the default options automatically cleans the infected files. Requires IE with ActiveX.

Free Anti Virus Software for Windows

• Avast! Home Edition - One of the most popular antivirus software, can also be run from Explorer context menu. You can either scan the entire hard drive or selected folders.
  

• AOL Active Virus - based on Kaspersky Antivirus. The software can be configure to check only new and modified files thereby reducing the memory requirements. Also support scanning of incoming and outgoing email messages.

• ClamWin Virus Scanner - An opensource antivirus software that is great for running routine antivirus checks on your PC. You need to manually scan a file in order to detect a virus or spyware.

• AVG 7.5 Free Antivirus - One of most popular free virus scanning software

And don't forget to install a firewall, the one from Win XP SP2, is pretty good, but you can use Zone Alarm, or Sygate Personal Firewall.
Have a healthy computer!