Does the subject want to ask, "What if a package with the same name with conflicting signatures has been installed?" ? Uninstall the old version of the software and confirm the signature information.

1. Uninstall the old version software: uninstall the installed old version software first, and then install the new version software.

2. Confirm signature information: Before installing the new version of the software, confirm whether the signature information of the software is consistent with the old version. Otherwise, you need to contact the software developer or publisher to get the correct signature information.