2. Click the "Settings" option in the lower left corner of the screen.

3. Select the "Contacts, Privacy" option.

4. There is a "personalized signature synchronization" below, just turn this option off.

Precautions for using qq:

1.QQ environment is also critical. For example, many modern devices that can access QQ, such as mobile phones, tablet computers, desktop computers and notebook computers, need to install anti-virus software, such as Rising, Kaspersky, 360 Security Center, 360 Anti-virus, Norton, Tencent Computer Manager and other related tools to maintain the security of computers and QQ accounts.

2. What problems should be paid attention to when modifying QQ password and QQ secret protection:

It is best to use anti-virus equipment. The most critical problem is Trojan horse, which can clean up and change passwords. It's safer this way Trojan horse can make your QQ password leak, log in on other devices or be stolen.

It is safer to clean up Trojans when modifying secret security. Trojan horse can automatically modify your QQ secret security. This is a key issue. Don't just set secret security questions. Many people have problems (forget) about QQ security. If they can't modify QQ security, their complaint will not be successful.