Visual Studio fails debugging JavaScript in IE9 - says “The correct version of pdm.dll is not registered”

Question

I encountered this problem after installing IE10, finding it did not work well on my Windows 7 system, and uninstalling it. Now, back to IE9, VS2010 could not attach to the

Answer 1

We solved a similar issue registering again all the dll's in

C:\Program Files\Common Files\Microsoft Shared\VS7Debug
C:\Program Files (x86)\Common Files\microsoft shared\VS7Debug

For first one remember to use:

%systemroot%\System32\regsvr32.exe

and for 2nd ones (32 bit):

%systemroot%\SysWoW64\regsvr32.exe

If that is not enough go to VS debug menu and go to Options and configuration > Just-In-Time, uncheck all the options there (Administered, Native, Script) and click OK

Go to some place and check again those options and click OK again.