Open App. mgr.
and select Options > Settings.
Select from the following:
- Software installation — Select whether to install signed applications only or all applications. This setting only affects the installation of Symbian applications. Java
™ applications can always be installed. - Online certificate check — Check the validity of certificates when installing applications. To only install applications that have a valid certificate , select Must be passed. If the validity cannot be verified, the installation is cancelled. To check for certificate validity, select On. Only select Off, if you trust the certificate validity.
- Default web address — Define the web address used to check the certificate authority, if the certificate does not contain the authority information.
The settings available for editing may vary.