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Why can't I delete the historical signature of qq?
The subject asked, "What is the reason why the signatures of qq historical figures cannot be deleted?" Account theft, network problems, software problems and other reasons.

1, QQ account is stolen: if the QQ account is stolen, hackers will modify the personalized signature or add some content to the personalized signature.

2. Network problems: Sometimes the network connection is unstable or the server has problems, which will cause QQ to fail to work normally.

3. Software problems: If there are some problems with your QQ software, such as an old version or incomplete installation, some functions will not work properly.