An error occurred while parsing the package while installing the program. A common reason is that the installation package is not completely downloaded. It can be confirmed by comparing the size of the downloaded apk package with that of the normal package (generally, the only file with errors is 10 KB). If this is the case, it is recommended to download it again or download it to a different computer when the network is stable and then reinstall it.

The program cannot be installed for the following reasons: 1. There is something wrong with the installation package, such as incomplete or inconsistent signature. At this point, you can try to download it again and then install it, or uninstall the original program with optimizer and then install it. 2. Some programs are protected by the system, and updates cannot be installed by themselves. At this point, you may need to uninstall to continue the installation; 3. The storage space is full. Cclean, reclaim storage space.