Unable to Open HFM Applications - A null reference pointer was passed to the stub.

Very strange error when opening any HFM Application. 

A null reference pointer was passed to the stub.

Error Code: -2147023116

File: CHFMwManageApplications.cpp;Line: 212;Ver: 11.1.2.0.0.2762;

Additional errors in the Windows Event Viewer:

Error 11; SYSTEM;<Num>-2147220966</Num><Type>0</Type><File>CHsxClient.cpp</File><Line>2417</Line><Ver>11.1.2.0.0.2762</Ver><ExErr>Unknown Error</ExErr></ESec></EStr>

Error 11; SYSTEM; 09/05/2012 12:26:01; HsvADMDriverSessionInternal.cpp; Line 355; <?xml version="1.0"?>

<EStr><Num>-2147467261</Num><Type>0</Type><DTime>9/5/2012 12:26:01 PM</DTime><File>HsvADMDriverSessionInternal.cpp</File><Line>355</Line><Ver>11.1.2.0.0.2762</Ver></ESec></EStr>

Turns out that the HFM Web node had an issue that corrupted the Financial Management ADM Driver. 

I ran the installer, chose re-install, and selected the HFM ADM component. This resolved the errors.