Yesterday i was updating a portal V8.0.0.1 CF5 to CF10 and the CF10 failed.
I restore the full backup of the file system but i got the following :
Erro durante a fase “configurar pós-instalação”:
Excluindo arquivos de C:IBMWebSpherePortalServerwcmprereq.wcm
Falha ao excluir C:IBMWebSpherePortalServerwcmprereq.wcmwcmsharedappilwwcm-api-impl.jar
java.lang.Exception: ConfigTask CONFIG-WP-PTF-CF failed.
CRIMA1020E: Falha ao extrair zip prereq.wcm 8.0.1.201304260218. O arquivo C:IBMWebSpherePortalServerwcmprereq.wcmwcmsharedappilwwcm-api-impl.jar já existe.
java.lang.Exception: ConfigTask UNCONFIG-WP-PTF-CF failed.
I found that some things was left on the ProgramData.
Solution: Restore the ProgramData folder and run the CF10 setup again.