Symptoms
The following conditions may be seen when runing SES Setup to install .NET Framework:
- The progress bar continues to scroll but the installation process does not progress
- Error 1603: Error installing Microsoft(R) .NET Framework
Note: The 1603 message box may appear behind the scrolling progress bar dialog.
The following message may also be seen when installing the .NET Framework service pack itself:
Info 9002.Microsoft .NET Framework 1.1 Service Pack 1 (KB867460) cannot be installed because you have one or more hot fixes installed. Remove them and try again.
Cause
In general, this can be seen if a .NET Framework security update released after a .NET Framework service pack(s) was installed before the service pack.
A specific case of this behavior occurs if security update MS05-004 is installed before installing the .NET Framework service pack. Security update MS05-004 was released after the service pack but was applied to the computer before the related service pack. The link to additional information pertaining to the security update MS05-004 can be found below in the References section.
Resolution
To resolve this behavior, you must remove the security update, install the .NET Framework service pack, and then reinstall all recommended security updates.
To remove the .NET Framework security update, follow these steps:
- In Control Panel, open Add/Remove Programs.
- By default, the Change or Remove Programs pane appears. This pane displays a list of installed programs. If the Show Updates check box appears, make sure that it is selected.
- In the Currently installed programs and updates list, click to select Microsoft .NET Framework Hotfix 1.0 (KB886906) or Microsoft .NET Framework Hotfix 1.1 (KB886904), and then click Remove.
- Click Next. A message box appears that prompts you to confirm removal of the hotfix.
- Click OK.
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