When you use Remote Data Objects (RDO) to run an application, a sporadic access violation (0xC0000005) occurs inside the MSRDO20.dll file.

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A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that this article describes. Apply it only to systems that are experiencing this specific problem.

Note You must have a Visual Studio license agreement to obtain this hotfix.

To resolve this problem, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone 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 usual 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 should have the following file attributes or later:

   Date          Version      Size           File name     Platform
   ----------------------------------------------------------------
   04/17/2001    6.0.91.15    444,768 bytes  MSRDO20.dll   i386
				

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

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Due to a bug in the Microsoft Oracle Driver (MSORCL10.dll), you may encounter a deadlock after you apply the fix. Thus, to avoid this problem, you should upgrade to Microsoft Data Access Components (MDAC) version 2.5 Service Pack 1 (SP1) or later. To download the latest version of MDAC, see the following Microsoft Web site:

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