Registry cleaning error

Hi:

i want to clear some part of my registry and using winapp2.ini:

the keys are defined:

[Yahoo]

LangSecRef=3022

Detect=HKCU\Software\yahoo

Default=True

RegKey1=HKCU\Software\yahoo\Profiles

RegKey2=HKCU\Software\yahoo\pager\profiles

but is didnt make any change in registry. any one can help me for resolving this issue.

Regards