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UNOFFICIAL Windows98 Second Edition Service Pack 2.1a (Freeware)

Microsoft has never released a service pack for Windows98 SE. But I made a Service Pack for Windows98 SE users. It contains all Windows98 SE updates from Windows Update site and more.

It is a self-extracting and self-installing pack like Microsoft's update files. Thus, you cannot choice individual files. However, the pack installs only required fixes for your system. Uninstallation is possible from Add-Remove Programs. However, I don't recommend uninstallation of the pack, if you don't face any problem.

This is *only* for WINDOWS 98 SECOND EDITION ENGLISH. I highly recommend that you should backup your system before installing the pack. You must have at least 32 MB of RAM.

It contains only operating system updates. It does NOT contain Internet Explorer 6, DirectX 9, Media Player 9 and their updates.

For support and discussion, please go to the forum.

If you like this pack and feel like contributing a little something, you can send me some donation via Paypal:

What's New in 2.1a?

* Corrected timestamps of some files (2.1a).
* Corrected SCR56.INF version information (2.1a).
* Added COMPOBJ.DLL from DCOM98 (2.1a).
* Added COMCAT.DLL from DCOM98.
* Added Q212265 (JPEGIM32.FLT).
* Added Q240896 (OPENGL32.DLL).
* Added Q258765 (REG).
* Added Q269604 (DSOUND.DLL).
* Added Q285895 (CIMWIN32.DLL) and Q282949 (WBEMPROX.DLL).
* Added Q323708 (NSCIRDA.SYS).
* Added Q327517 (REG).
* Added Q885836 (MSWRD632.WPC).
* Added Q887617 (HTML32.CNV, MSCONV97.DLL, MSWRD832.CNV).
* Added Q903235 (REG).
* Added a fix for VS2005 issue (REG).
* Added "No Channel Logging" registry tweak.
* Updated Q891711 (to U891711).
* Updated NWPP32.DLL (to Q250876-v2).
* Updated HTML Help (to Q896358).
* Removed DELINFS.INF.
* Corrected MOUHID.VXD and DISPEX.DLL files.
* Cleaned up some code.

More information about this version.

Full changelog.

Note: All old version users should install this version without uninstalling old version.

Features of 2.1a:

  • 120+ updates and hotfixes (Detailed list will be prepared soon).
  • Solves 512 MB of RAM problem.
  • 256-color tray icons.
  • Better Notepad: MetaPad 3.5 (Optional).
  • Optimized swap file usage (Optional).
  • Better WDM and USB support.
  • Adaptec ASPI 4.60.1021 drivers (Optional).
  • Windows Scripting Host 5.6.
  • DCOM98 1.3.
  • OLE Automation Libraries 2.40.4522.
  • Dial-Up Networking 1.4.
  • Microsoft Installer 2.0.
  • HTML Help 5.0.
  • TweakUI (Optional).
  • Command Prompt Here (Optional).
  • New Animated Boot and Shutdown Logo (Optional).
  • Microsoft Layer for Unicode.
  • Visual Basic 5.0 SP2 runtime library.
  • Visual Basic 6.0 SP6 runtime library.
  • Visual C++ 6.0 SP6 runtime libraries.
  • Updates JET 3.5 files to JET 3.5 SP3.
  • Supports 98lite 4.7.
  • Windows 2000/ME desktop icons.
  • Windows 2000 color scheme (Optional).
  • Supports custom "Program Files" directory.
  • Shows attributes column in details view on the Windows Explorer.
  • Semi-slipstreaming support.
  • Some tweaks (Optional).


  • Known Problems:

  • If you have Crystal Sound Card (CS423x), and have a problem with the sound, you have to upgrade your drivers.
  • Uninstallation needs Windows 98 SE CD-ROM. It also doesn't remove all installed files. It only reverts back half of the installed files with original 98 SE files. So, I don't recommend uninstallation of the pack, unless you are having a serious problem.

  • Download - Version 2.1a:
    (17.430.016 bytes, md5: 10cde8dc76f00e78e874094580b70d2d)

    Mirror 1 - Freewarefiles
    Mirror 2 - Majorgeeks
    Mirror 3 - Softpedia

    German Version: http://www.creopard.de/win98sp
    Czech Version: http://www.winpack.org/
    Polish Version: http://sp.up.pl/
    Dutch Version: http://updatepack.nl
    French Version: http://www.gravure-hebdo.com/
    Italian Version: http://www.msfn.org/board/index.php?showtopic=46654

    Disclaimer: Unofficial Windows98 SE Service Pack is an updater for the Windows98 Second Edition produced and licensed by Microsoft Corporation. Use of Unofficial Windows98 Service Pack may invalidate any guarantee and or warranty expressed in your Windows End User License Agreement(s). Use of Unofficial Windows98 Service Pack does not supersede or provide any remedy for any guarantee or warranty that may be invalidated. All liabilities from use or misuse of Unofficial Windows98 SE Service Pack lie with the End User. This software is provided "as-is," without any express or implied warranty. In no event shall the provider be held liable for any damages arising from the use of this software. Any software in this pack is a copyrighted work of its respective owner(s). This pack that can be downloaded from this site is only of use to those who already own Windows98 Second Edition. Windows98 Second Edition is a trademark of Microsoft Corporation and are used by Author in a non-trademark, descriptive sense only.

    (c) Alper Coskun, alper@wolke7.net.