Erreur MSIInstaller Sharepoint 2010

The following events are logged on the application event log:

Log Name: Application
Source: MsiInstaller
Date: 26/11/2010 14:41:43
Event ID: 1004
Task Category: None
Level: Warning
Keywords: Classic
User: NETWORK SERVICE
Computer: <computer name>

Description:
Detection of product '{90140000-104C-0000-1000-0000000FF1CE}', feature 'PeopleILM', component '{1C12B6E6-898C-4D58-9774-AAAFBDFE273C}' failed. The resource 'C:\Program Files\Microsoft Office Servers\14.0\Service\Microsoft.ResourceManagement.Service.exe' does not exist.

Log Name: Application
Source: MsiInstaller
Date: 26/11/2010 14:41:43
Event ID: 1001
Task Category: None
Level: Warning
Keywords: Classic
User: NETWORK SERVICE
Computer: <computer name>

Description:
Detection of product '{90140000-104C-0000-1000-0000000FF1CE}', feature 'PeopleILM' failed during request for component '{1681AE41-ADA8-4B70-BC11-98A5A4EDD046}'

Open Windows Explorer and browse to C:\Program Files\Microsoft Office Servers

Right click on the 14.0 directory and go to the Security tab

Add Network Service with Full Control rights