Article ID: 297804 - Last Review: August 15, 2005 - Revision: 2.2

PRB: Error Messages: "Rpcss Illegal Operation" and "Could Not Upload DSP files"

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This article was previously published under Q297804
IMPORTANT: This article contains information about modifying the registry. Before you modify the registry, make sure to back it up and make sure that you understand how to restore the registry if a problem occurs. For information about how to back up, restore, and edit the registry, click the following article number to view the article in the Microsoft Knowledge Base:
256986  (http://support.microsoft.com/kb/256986/EN-US/ ) Description of the Microsoft Windows Registry
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SYMPTOMS

When restarting a computer after installation of Visual Basic 6.0, the user receives the error message: "Rpcss illegal operation". The system will then attempt to connect to the Internet and return the error message "could not upload DSP files." This can also occur at startup for some applications.
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CAUSE

If remote connections is enabled, the system may try to initiate an Internet connection upon startup of the operating system. This behavior is often referred to as "autodial" or "autoconnect."
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RESOLUTION

WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.


To resolve this problem, turn off the remote connection option by changing the registry key
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Ole
string values EnableRemoteConnect and EnableDCOM from Y to N.

Normal Internet activities will not be affected by changing this setting to disable remote connections. This setting is the default for most systems. However, enabling remote connections is necessary for some features of DCOM.
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REFERENCES

For additional information, click the article numbers below to view the articles in the Microsoft Knowledge Base:
191901  (http://support.microsoft.com/kb/191901/EN-US/ ) PRB: Internet Connection Dialog Appears at Windows 95/98 Startup
192015  (http://support.microsoft.com/kb/192015/EN-US/ ) BUG: RPCSS Invalid Page Fault in OLE32 When Starting Windows 98
175312  (http://support.microsoft.com/kb/175312/EN-US/ ) Modem Attempts to Dial When Windows Starts
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APPLIES TO
  • Microsoft Visual Studio 6.0 Enterprise Edition, when used with:
    • Microsoft Windows 98 Standard Edition
    • Microsoft Windows Millennium Edition
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Keywords: 
kbprb KB297804
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