I installed Visual Studio 2012 Update 1 and now I can't add a reference to any project.
The Add Reference dialog does not open at all.
The ActivityLog.xml contains these errors :
550 Begin package load [ReferenceManagerPackage] {48D4A2C1-02AD-4F18-9153-620511BACB7B} VisualStudio 2012/12/09 00:39:58.544
551 ERROR CreateInstance failed for package [ReferenceManagerPackage] {48D4A2C1-02AD-4F18-9153-620511BACB7B} 80131522 VisualStudio 2012/12/09 00:39:58.575
552 ERROR End package load [ReferenceManagerPackage] {48D4A2C1-02AD-4F18-9153-620511BACB7B} 80004005 - E_FAIL VisualStudio 2012/12/09 00:39:58.575
I'm on VS2012 Professional.