Installation af AVG antivirus 8,5 free version

Hej

Jeg har store problemer med at få installeret AVG antivirus programmet på min PC. Først kunne jeg ikke afinstallere den gamle version og måtte gøre det manuelt, nu kan jeg ikke installere den nye version.

Se feljmedelelsen jeg får:

1 error 7 warnings

Local machine: installation failed
    Initialization:
        Warning: Checking of state of the item file avgsched.log failed.
            File opening failed. %FILE% = "hÿX ocuments and Settings\All Users\Application Data\avg8\Log\avgsched.log"
                Error 0xe001042c
    Installation:
        Error: Action failed for directory scanlogs: setting directory access rights....
            Invalid parameter specified.
        Warning: Action failed for registry key HKCU\Software\Avg (Administrator): creating registry key....
            Error 0x80070005
        Warning: Action failed for registry key HKCU\Software\Avg\Avg8 (Administrator): creating registry key....
            Internal error. Registry handle has not been opened.
        Warning: Action failed for registry key HKCU\Software\Avg (Gæst): creating registry key....
            Error 0x80070005
        Warning: Action failed for registry key HKCU\Software\Avg\Avg8 (Gæst): creating registry key....
            Internal error. Registry handle has not been opened.
    Rollback:
        Warning: Action failed for registry key HKCU\Software\Avg\Avg8 (Administrator): removing registry key....
            Internal error. Registry handle has not been opened.
        Warning: Action failed for registry key HKCU\Software\Avg\Avg8 (Gæst): removing registry key....
            Internal error. Registry handle has not been opened.

Er der nogen af jer der kan hjælpe mig? På forhånd tak