Runtime Error - pure virtual function call

  • Recently I have been noticing this error on my SQL server 2005. I am not sure what is causing this. Any help will be much appreciated. I have attached a screenshot of the error. Thanks

  • This might not be a SQL Server related error. Do you have IIS installed on the box along with SQL Server?

    This link might be of help: http://forums.iis.net/t/1148965.aspx

  • I just did a little research myself and it appears that w3wp.exe is part of IIS.

  • stonecold560 (10/26/2009)


    Recently I have been noticing this error on my SQL server 2005. I am not sure what is causing this. Any help will be much appreciated. I have attached a screenshot of the error. Thanks

    The error is thrown by IIS but it is IIS rejecting VC++ code and Asp.net does not use VC++ directly so I am assuming your error may be related to code executed in IIS that connects to SQL Server or some extended stored procedure code.

    Kind regards,
    Gift Peddie

  • Yes I am running IIS with SQL server. Let me check the event log and see if i can find any related errors. Thanks for all the help so far that everyone has given me.

  • stonecold560 (10/27/2009)


    Yes I am running IIS with SQL server. Let me check the event log and see if i can find any related errors. Thanks for all the help so far that everyone has given me.

    If you are in IIS 6 which is Win2003 you may be running ISAPI dll most are crude code that will not run in IIS7 and IIS7.5 .

    Kind regards,
    Gift Peddie

  • hmmmm. That I didn't know. Is there a way to check that? Thanks

  • I guess w3wp is a worker process for asp.net in .net framework 2.0 ( sorry if I missed somewhere, but when do you get that error? when you launch SSMS?) It could be worth try reinstalling .net framework 2.0?

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  • I will give that a shot and see if reinstalling framework 2.0 fixes my problem. Thanks

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