I am using Ryan's Update packs and Nlite for a long time. And I never had problems with it... But with 2.1.1 version I can't use my LIP(stripped MS Windows MUI). I am using Nlite 1.0.1 as usual (on a clean SP2, of course), I am trying Integrator 1.4.1 - no way... EventLog: Event Type: Error Event Source: SideBySide Event Category: None Event ID: 55 Date: 17.08.2007 Time: 18:40:46 User: N/A Computer: 4CC6E6A3EFA34C3 Description: The signer Microsoft Corporation of the assembly C:\WINDOWS\MUI\FALLBACK\0419\ASMS\60100\msft\windows\common\controls\controls.cat was too short - minimal key length is 2048 bits. Intall Log: Action 18:40:46: CA23D. Installing Common Controls support CA23D: Please wait... CA23D Assembly Installation of C:\WINDOWS\MUI\FALLBACK\0419\ASMS failed. Please refer Eventlog for more information. Error: 14075 Action ended 18:40:46: InstallFinalize. Return value 3. Action 18:40:46: Rollback. Rolling back action: Only UpdatePack was changed in my installation... Help me please. P.S. Bugtrack. P.P.S. I tried to use "optimized" russian LIP. There was a mistakes, but all interface(80-90%) was russian in previous packs. But 2.1.1 gives me 20-30% of localization.