Hi
I get an error when installing Microsoft Dynamics CRM 2011 Report Authoring Extension, see picture below

and this is the log file:
12:09:07| Info| === La journalisation du démarrage du programme d’installation a commencé le 03/04/2012 à 12:09:07 ===
12:09:07| Info| Bootstrap version: 5.0.9690.1992.
12:09:07| Info| User: Administrateur.
12:09:07| Info| No pending reboot detected
12:09:07| Info| Current OS Version: 6.1.7601
12:09:07| Info| ServicePack: Service Pack 1
12:09:07| Info| System Type: Server
12:09:07| Info| Suite Mask: 0x0110
12:09:07| Info| Clean up the BITS downloader.
12:09:10| Info| === La journalisation du démarrage du programme d’installation a commencé le 03/04/2012 à 12:09:10 ===
12:09:10| Info| Bootstrap version: 5.0.9690.1992.
12:09:10| Info| User: Administrateur.
12:09:10| Info| No pending reboot detected
12:09:10| Info| Current OS Version: 6.1.7601
12:09:10| Info| ServicePack: Service Pack 1
12:09:10| Info| System Type: Server
12:09:10| Info| Suite Mask: 0x0110
12:09:10| Info| Initializing COM.
12:09:10| Info| Initialized COM.
12:09:10| Info| CIsVcRedistInstalled=1
12:09:10| Info| VCRedist with version 10.0.30319 is already installed
12:09:10| Info| Initializing COM.
12:09:10| Info| Initialized COM.
12:09:10| Info| Uninitializing COM.
12:09:10| Info| Uninitialized COM.
12:09:10| Info| Running prereq checks
12:09:10| Info| .NET version found is 4.0.30319.0
12:09:10| Info| IsDotNetInstalled=1
12:09:10| Info| IsDrWatsonInstalled=1
12:09:10| Info| IsGenevaInstalled=1
12:09:10| Info| CIsIDCRL64Installed=1
12:09:10| Info| CIsMSOIDCRL64Installed=1
12:09:10| Info| Uninitializing COM.
12:09:10| Info| Uninitialized COM.
12:09:12| Info| Waiting for PrereqCheck to be signaled
12:09:12| Info| === La journalisation du démarrage du programme d’installation s’est terminée le 03/04/2012 à 12:09:12 ===
12:09:15| Info| === La journalisation du démarrage du programme d’installation a commencé le 03/04/2012 à 12:09:15 ===
12:09:15| Info| Bootstrap version: 5.0.9690.1992.
12:09:15| Info| User: Administrateur.
12:09:15| Info| Fermeture du programme d’installation géré, avec code d’erreur -2.
12:09:15| Info| Clean up the BITS downloader.
Any help please