For XP x86:
- Install latest Windows Update Agent x86:
Link from Microsoft
- Replace wuaueng.dll with patched version and apply registry fix
- Restart Windows is recommended
- Install Root Certificates update:
Link from Web Archive (last signed version)
- Enable Use TLS 1.0 in IE6 -> Internet Options -> Advanced -> Security
- Now open WindowsUpdate
For XP x64 / Server 2003 x64:
- Download KB2868626 from
Microsoft Update Catalog, install and restart (Server 2003 x64 and XP x64 share the same updates)
- Install latest Windows Update Agent x64:
Link from Microsoft
- Replace wuaueng.dll with patched version and apply registry fix
- Restart Windows is recommended
- Install Root Certificates update:
Link from Web Archive (last signed version)
- Enable Use TLS 1.0 in IE6 -> Internet Options -> Advanced -> Security
- Now open WindowsUpdate
For Server 2003 x86:
- Download KB2868626 from
Microsoft Update Catalog, install and restart
- Install latest Windows Update Agent x86:
Link from Microsoft
- Replace wuaueng.dll with patched version and apply registry fix
- Restart Windows is recommended
- Install Root Certificates update:
Link from Web Archive (last signed version)
- Enable Use TLS 1.0 in IE6 -> Internet Options -> Advanced -> Security
- Now open WindowsUpdate