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"Invalid Procedure Call" Error Message or Access Violation When You Try to Assign User-Defined Type to Variant

This article was previously published under Q326345
When you assign a user-defined type to a Variant in a multithreaded environment (for example, in Microsoft COM+ or in Microsoft Internet Information Server [IIS]), you may receive an "Invalid Procedure Call" error message or an access violation (0xC0000005) in MSVBVM60.dll.
A supported fix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Apply it only to computers that are experiencing this specific problem. This fix may receive additional testing. Therefore, if you are not severely affected by this problem, Microsoft recommends that you wait for the next Microsoft Visual Studio 6.0 service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, visit the following Microsoft Web site:NOTE: In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The typical support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

The English version of this fix has the file attributes (or later) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.
   Date         Time    Version    Size       File Name     Platform   -----------------------------------------------------------------   09-Jul-2002  07:21  1,392,640  Msvbvm60.dll  x86				

Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.

Article ID: 326345 - Last Review: 10/07/2005 20:42:00 - Revision: 2.2

Microsoft Visual Basic 6.0 Enterprise Edition

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