Uploader: ZacharyFDS
Upload date: 2025-09-05
Source: Internet
Notes: Released somewhere between 2008-03-16 and 2008-03-19. The Russian version was shared on 2022-08-01.

    File: xpsp3_5503_en.exe
  CRC-32: e516340c
     MD5: 0f88c125ee4ab608e2744ef3d18a686e
   SHA-1: e1621b38e71a98df4bf4cc928a68dd144d34ec02
 SHA-256: 61f089b568703a46b418314599c72c15c8b5bde61d24004ee903bffb1423152c

    File: rus_2600_5503__x86fre.servicepack_windowsxp.exe
  CRC-32: c40e3aeb
     MD5: fac9a1fee15422305f0d74d25f17c429
   SHA-1: 8c187c2e70eb6f95eeeb4992f6f53e3892c54774
 SHA-256: 8a0e2f6c5e65114be9387762f2cb1b2790932cdf0690e447a3dc4a8040e08b31

Release info:
https://www.mintywhite.com/tech/news/microsoft-confirms-that-the-leaked-xp-sp3-build-5503-is-an-official-release/

Release info for Russian version:
https://www.betaarchive.com/forum/viewtopic.php?t=43923