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It is mainly caused by the following reasons: 1, the system is unstable, or the software is unstable, immature and incompatible. Try to restart. Generally, when a computer is restarted, it will remove system garbage and temporary files, which is more compatible. Or switch to other mature and powerful software. 2. The system is used for a long time and has poor compatibility. After using the mobile phone for a period of time, it is best to back up the data and address book and restore the factory settings. This will have better compatibility and stability.