This update is a cumulative update for Windows NT® 4.0 that includes every fix that has been released for Windows NT 4.0 since the release of Windows NT 4.0 Service Pack 6a (Sp6a). Download now to get the latest security updates in one cumulative package.

Note To install this update, you must be running Windows NT 4.0 Service Pack 6a.

For more information about this update, read Microsoft Knowledge Base (KB) Article Q299444.

Compaq Array Controller Users: If you have installed the Compaq Array Controller Driver (Cpqarray.sys) from the Compaq Web Site, Compaq FTP Site, or Compaq SmartStart, please see the following article in the Microsoft Knowledge Base regarding Compaq Array controllers and the Windows NT 4.0 SRP: Q305228 "STOP 0xA" Occurs After Applying Windows NT 4.0 Security Rollup Package

System Requirements
This update applies to:

Windows NT Server 4.0 SP6a
Windows NT Server, Enterprise Edition 4.0 SP6a
Windows NT Workstation 4.0 SP6a
How to download and install
Note If you choose to add optional services, you must reapply Windows NT 4.0 Service Pack 6a before you download this update. For more information, read Microsoft Knowledge Base (KB) Article Q299444.