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Retrieving the COM Class Factory for Component with CLSID Failed due to the following error: 8007007e

, 27 Jun 2013 CPOL
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Retrieving the COM class factory for component with CLSID


This tip shows how COM class factory registration problem is solved because mostly developers face this problem when using third party DLLs in their applications.


When we use third party DLLs, sometimes we get an error message:

" Err: Error In retrieving Location Code. Retrieving the COM class factory 
for component with CLSID {7BDE052E-41BA-11D8-8FEA-444553540000} 
failed due to the following error: 8007007e "  

For that, check the following:

  1. Give the right of your application folder (every one, IIS Process account, aspnet, etc.)
  2. Remove your previous reference of your DLL and add reference again in your application.
  3. Check path C:\WINDOWS\system32 to see if your DLL is present or not. If not, then copy paste your DLL.
  4. Run the following command from Start-RUN or command prompt.
    Reg serv32    C:\Windows\System32\yourDLLName.dll 

    For confirmation, check your DLL registry, run command "regedit".

    After opening Registry Editor window, check path:

    {7BDE052E-41BA-11D8-8FEA-444553540000} ( As per our example of above error message key name )

    and under InprocServer32, check (Default) key data is C:\Windows\System32\yourDLLName.dll.

    If not, then modify value of data C:\Windows\System32\yourDLLName.dll.

  5. Restart IIS and test your application now.


This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


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Comments and Discussions

SuggestionThe DLL doesn't need to be in C:\Windows\System32 Pin
mcmathys0428-Jun-13 10:39
membermcmathys0428-Jun-13 10:39 
Suggestionsyntax error Pin
Manuele Camilletti27-Jun-13 22:43
memberManuele Camilletti27-Jun-13 22:43 
GeneralRe: syntax error Pin
sanjay3027-Jun-13 23:28
membersanjay3027-Jun-13 23:28 
Questionand here's what the error code means Pin
SteveKing27-Jun-13 21:50
memberSteveKing27-Jun-13 21:50 
AnswerRe: and here's what the error code means Pin
sanjay3027-Jun-13 22:09
membersanjay3027-Jun-13 22:09 
GeneralRe: and here's what the error code means Pin
SteveKing28-Jun-13 4:00
memberSteveKing28-Jun-13 4:00 

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