???dummy on SAP BI 4.1 SP2 Patch3

Hello all,

After upgrading our server from SAP BI 4.0 SP4 to SAP BI 4.1 SP2 Patch3, We have strange item on contextual menu (on rigth click on a WebI document) such as ???dummy.action.Propriété.......display.name???

We are using IE 9 and locales preferences are set on English Language:

I try to redeploy MobileBIService using wdeploy without success

Any idea ?

Best Regards

Laurent