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Error message when you try to install a security update for the .NET Framework 2.0 on a computer that is running Windows Server 2003 x64 Edition: "Error 1324. The folder 'Program Files' contains an invalid character"

Support for Windows Server 2003 ended on July 14, 2015

Microsoft ended support for Windows Server 2003 on July 14, 2015. This change has affected your software updates and security options. Learn what this means for you and how to stay protected.

SYMPTOMS
Consider the following scenario:
  • You are using a computer that is running Microsoft Windows Server 2003, Standard x64 Edition; Windows Server 2003, Enterprise x64 Edition; or Windows Server 2003, Datacenter x64 Edition.
  • You try to install a security update for the .NET Framework 2.0.
In this scenario, you receive an error message that resembles the following:
Error 1324. The folder 'Program Files' contains an invalid character
RESOLUTION
To install a security update for the .NET Framework 2.0, follow these steps:
  1. Temporarily unmount any drive volumes that you do not require. To do this, follow these steps:
    1. Start Windows Explorer.
    2. Right-click My Computer, and then click Manage.
    3. Click Disk Management. A list of all drive volumes appears.
    4. Identify any CD-ROM and DVD drive volumes that are configured on the computer. These drive volumes typically contain the text "CD-ROM" or "DVD" together with the drive letter. Note the drive letters so that you can restore the computer to its previous state when you are finished.
    5. Right-click a CD-ROM or DVD drive volume, and then click Change Drive Letters.
    6. Click Remove, and then click OK.
    7. Repeat steps 1e and 1f for each CD-ROM and DVD drive.
  2. Install the security update.
  3. If you are prompted, restart the computer.
  4. Remount the drive volumes. To do this, follow these steps:
    1. Start Windows Explorer.
    2. Right-click My Computer, and then click Manage.
    3. Click Disk Management.
    4. Right-click a CD-ROM or DVD drive volume, and then click Change Drive Letters.
    5. Click Add.
    6. Reassign the original CD-ROM or DVD drive letter, and then click OK.
    7. Repeat steps 4d through 4f for each CD-ROM and DVD drive.
MORE INFORMATION
For more information, click the following article number to view the article in the Microsoft Knowledge Base:
923100 When you try to install an update for the .NET Framework 1.0, 1.1, or 2.0, you may receive Windows Update error code "0x643" or Windows Installer error code "1603"
Properties

Article ID: 923101 - Last Review: 09/29/2011 20:22:00 - Revision: 3.0

Microsoft Windows Server 2003, Datacenter x64 Edition, Microsoft Windows Server 2003, Enterprise x64 Edition, Microsoft Windows Server 2003, Standard x64 Edition

  • kbtshoot kbsecurity kbprb KB923101
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