Why is the QQ verification code always wrong and I can't log in?

This should be a problem with qq and can be solved in the following ways:

(1) Delete the QQ record from the computer, and then try to log in again.

(2) Uninstall qq and reinstall a new qq.

(3) It is suggested to gradually delete the following three folders in QQ software to see if you can log in normally. Rest assured, deleting these three files will not affect the chat history.

The treatment method is as follows:

1, Registry.db under the digital folder.

1, Registry.db under the digital folder.

2. Info.db under the number folder.

3. Registry.db in the QQ directory under the number folder.

(4) When deleting, enter the QQ number in the login dialog box, click the "Advanced Settings" button in the lower right corner, click "Clear Records" in the advanced settings panel, select "Delete all record files corresponding to this account at the same time" in the pop-up dialog box, then enter the QQ password and click the "OK" button to clear all settings and information of this QQ number before this machine.