There are several reasons for this: 1. The user does not have the system administrator permission, and this version of QQ has never run under the system administrator permission. 2. The keyboard encryption protection component was modified, replaced or deleted by a malicious program. 3. The operating system used by the user is 64 bit Windows operating system, and the keyboard encryption protection component cannot be loaded normally under this operating system temporarily. 4. Other causes of accidents The solution suggestions are as follows: 1. Go to the website of QQ Security Center immediately for system quarantine, repair system loopholes and check and kill virus trojans. 2. Reinstall and run the latest version of QQ under the authority of the system administrator. It is suggested to use QQ doctor to check, instead of Kaspersky.
