nine months before the release of Windows 2000. It includes many bug fixes, improved WDM audio and modem support, improved USB support, the replacement of Internet Explorer 4.0 with Internet Explorer 5.0, Web Folders (WebDAV namespace extension for Windows Explorer), and related shell updates. Also included is basic OHCI-compliant FireWire DV camcorder support (MSDV class driver) and SBP-2 support for mass storage class devices. Wake-On-LAN reenables suspended networked computers due to network activity, and Internet Connection Sharing allows multiple networked client computers to share an Internet connection via a single host computer. Other features in the update include DirectX 6.1 which introduced major improvements to DirectSound and the introduction of DirectMusic, improvements to Asynchronous Transfer Mode support (IP/ATM, PPP/ATM and WinSock 2/ATM support), Windows Media Player 6.1 replacing the older Media Player, Microsoft NetMeeting 3.0, MDAC 2.1 and WMI. A memory overflow issue was resolved in which earlier versions of Windows 98 would crash most systems if left running for 49.7 days (equal to 232 milliseconds). Windows 98 SE could be obtained as retail upgrade and full version packages, as well as OEM and a Second Edition Updates Disc for existing Windows 98 users. USB audio device class support is present from Windows 98 SE onwards. Windows 98 Second Edition improved WDM support in general for all devices, and it introduced support for WDM for modems (and therefore USB modems and virtual COM ports). However, Microsoft driver support for both USB printers and USB mass-storage device class is not available for Windows 98. Removed features Windows 98 Second Edition did not ship with the WinG API or RealPlayer 4.0, unlike the original release of Windows 98, due to both of these having been superseded by DirectX and Windows Media Player, respectively. Upgradeability Several components of both Windows 98 and Windows 98 Second Edition can be updated to newer versions. These include: Internet Explorer 6 SP1 and Outlook Express 6 SP1 Windows Media Format Runtime and Windows Media Player 9 Series on Windows 98 Second Edition (Windows Media Player 7.1 on Windows 98 original release) Windows Media Encoder 7.1 and Windows Media 8 Encoding Utility DirectX 9.0c (the latest compatible runtime is from October 2007.) MSN Messenger 7.0 Significant features from newer Microsoft operating systems can be installed on Windows 98. Chief among them are .NET Framework versions 1.0, 1.1 and 2.0, the Visual C++ 2005 runtime, Windows Installer 2.0, the