Microsoft Windows XP Service Pack 3 is due to be out tomorrow (29th April 2008), but apparently the file it is already on the Windows Update server. If you are suspicious of the authenticity of Windows XP Service Pack 3 file posted by 3rd party sites, this is the link for you as it is directly from Microsoft.

Here is the direct link (Right Click -> Save Link As). The file size is 316.43MB (331,805,736 bytes).

The official hashes for the Microsoft Windows XP Service Pack 3 posted on TechNet are as follows:

  • CRC32: C411A9DA
  • MD5: BB25707C919DD835A9D9706B5725AF58
  • SHA-1: C81472F7EEEA2ECA421E116CD4C03E2300EBFDE4

You can verify the hashes by using FileVerifier++, it is a freeware.

Source: Neowin: Windows XP SP3 Now on Windows Update

*UPDATE* Just downloaded the file and verify the checksum with FileVerifier++ and all the 3 hashes (CRC32, MD5 and SHA-1) matches exactly. Now I am going to install it.

*UPDATE 2* Installed WinXP SP3 and everything works normally at the moment. Firefox 3 Beta 5 loads MUCH FASTER.