ID: Q174302
The information in this article applies to:
When you try to reapply or uninstall Windows NT 4.0 Service Pack 3 after installing Internet Explorer 4.0, you may receive the following warning message:
   Update.exe
   This program may not run correctly because of the new features
   in Internet Explorer 4.0. You may need to obtain an updated
   version of this program. For information about obtaining an
   updated version, click Details. Or, if you want to try running
   this program, click Details to determine whether it will cause
   other problems. Then, if running this program will not cause
   other problems, click Run Program.
   Event ID 7024
   The task scheduler service terminated with server specific error
   2148073478
   CAPI:  The install program could not open the registry
This warning occurs for the following reasons:
You can reapply Service Pack 3 (by clicking Run Program) if you choose the following options while you are reapplying the service pack:
1. Click the Start button, and then click Run.
2. Type the following: regsvr32 rsabase.dll
3. Click OK.
If you are trying to uninstall Service Pack 3, click Cancel and uninstall Internet Explorer 4.0 before uninstalling Service Pack 3.
To resolve this issue, remove and reinstall Task Scheduler. To do so, follow these steps:
1. Remove Task Scheduler:
   a. Click Start, point to Settings, and then click Control Panel.
   b. Double-click Add/Remove Programs.
   c. On the Install/Uninstall tab, click Task Scheduler 1.0 (Remove
      Only), and then click Add/Remove. Click Yes to confirm.
   a. Click Start, point to Settings, and then click Control Panel.
   b. Double-click Add/Remove Programs.
   c. In the Install/Uninstall tab, click Microsoft Internet Explorer 4.0,
      and then click Add/Remove.
   d. Click "Add a component to Internet Explorer," and then click OK.
   e. Allow Active Setup to determine which components are installed on
      your computer.
   f. In the Additional Internet Explorer Enhancements section, click to
      select the Task Scheduler check box, and then click Next.
   g. Follow the instructions to download and install the component.
   h. When you are prompted to restart your computer, do so.
Do not uninstall Windows NT 4.0 Service Pack 3. Doing so renders the Internet Explorer 4.0 shell inoperable. If you are reapplying Service Pack 3, you can safely click Run Program if you follow the procedure in the Resolution section of this article.
NOTE: Reapplying Service Pack 3 after Internet Explorer 4.0 is installed results in an Apps.hlp warning with the following incorrect text:
   Do not uninstall Windows 95 Service Pack 1. Doing so will render
   the Internet Explorer 4.0 shell inoperable.
   If you reinstall Service Pack 3 for Windows NT Workstation version
   4.0 or Windows NT Server version 4.0 after you install Internet
   Explorer version 4.0, specify, when prompted, that you do not want
   Service Pack 3 to write over any newer files. After Service Pack 3
   is reinstalled, update the registry:
   1. Click Start, and then click Run.
   2. In Open, type: regsvr32 rsabase.dll
   3. Click OK.
Additional query words: sp3 4.00 apps.hlp
Keywords          : kberrmsg kbsetup msient 
Version           : WINNT:4.0
Platform          : winntLast Reviewed: December 24, 1998