1, software error. Software error refers to the loss of important running files. In this case, opening the software will pop up "Lost". . . "Tips, this kind of problem can go online to search and download a corresponding file to install. If you can't find it online, you can only reinstall the software.
2. virus. If there is a virus in the mobile phone, some infected software can't be opened. This situation usually appears suddenly after downloading or installing some programs, and needs the next antivirus software to solve it.
3. Compatibility. Different softwares have compatibility differences in different systems. For example, the old software version may not be able to support the new system version. Similarly, the latest software cannot be opened in the old system, so it is necessary to download the corresponding version of the software or system.