Microsoft KB Archive/155380

= XCLN: Unable to Load Top Level Information =

Article ID: 155380

Article Last Modified on 10/28/2006

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APPLIES TO


 * Microsoft Exchange Client 5.5
 * Microsoft Exchange Client 4.0

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This article was previously published under Q155380



SYMPTOMS
When you attempt to run Setup.exe for the Microsoft Exchange client, the following error message may appear:

Unable to Load Top Level Information



CAUSE
This can occur if the Win.ini file, or the Registry for the Windows NT or Windows 95 clients, has a predefined entry for the Microsoft Exchange client under the [MS Setup (ACME) Table Files] section. For example:

Win.ini

  [MS Setup (ACME) Table Files] exchng.exe@v4.0.993.4(1033)=C:\EXCHANGE\exchng.stf

Registry

  HKEY_LOCAL_MACHINE\Software\Microsoft\MS Setup (ACME)\Table Files



WORKAROUND
Use the workaround for your Microsoft Exchange client.

Microsoft Exchange Windows 3.x client:   Remove or remark (by placing a semicolon at the beginning of the line) the following entry from the Win.ini:

     [MS Setup (ACME) Table Files] exchng.exe@v4.0.993.4(1033)=C:\EXCHANGE\exchng.stf 

You can now run Setup as usual.

Microsoft Exchange Windows NT client or Microsoft Exchange Windows 95 client:

WARNING: Using Registry Editor incorrectly can cause serious problems that may require you to reinstall Windows NT or Windows 95. Microsoft cannot guarantee that problems resulting from the incorrect use of Registry Editor can be solved. Use Registry Editor at your own risk.  Start Registry Editor (Regedt32.exe).  Under the HKEY_LOCAL_MACHINE subtree, go to the following subkey:

     Software\Microsoft\MS Setup (ACME)\Table Files </li> Delete this key.</li> Quit Registry Editor.</li></ol>

You can now run Setup as usual.

Keywords: kbusage KB155380

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