Unable to load DLL Microsoft.VisualStudio.QualityTools.RecorderBarBHO100.dll. The specified module could not be found

14 Mar

Working on a new environment trying to perform an new Web Test I was faced two issues:

1. Web Test Recorder doesn’t show up

Problem :When I start my recording Internet Explorer comes up but the Web Test Recorder doesn’t show up.

Solution: In IE enter Tools menu Select Explorer Bars and Click “Web Test Recorder 10.0” – (This will work for Web Test 8.0 and 9.0)


2. Cannot Stop Web Test Recording Without Getting Exception


Problem: When I clicked “Stop” in the end of Web Test Recording I get the following Exception: “Unable to load DLL ‘Microsoft.VisualStudio.QualityTools.RecorderBarBHO100.dll’: The specified module could not be found”


Copy Microsoft.VisualStudio.QualityTools.RecorderBarBHO100.dll (For older versions RecorderBarBHO90.dll  etc)

Located under C:\Program Files (x86)\Microsoft Visual Studio 10.0\Common7\IDE\PrivateAssemblies\

To – C:\Program Files\Internet Explorer and for 64bit machines also Copy To – C:\Program Files (x86)\Internet Explorer

Please refer:

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Posted by on March 14, 2014 in Visual Studio


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