1. Open the homepage of 360 security guards, find the "artificial service" icon at the lower right, and click with the left mouse button to open the artificial service.
2. Enter "Bank signature control cannot be installed" in the search box above to search for a solution to the problem.
3. Open the first tool scheme in the search results, where you can see the symptoms and possible causes of the problem. Read carefully to see if it is consistent with the problems encountered. If so, click Repair Now.
4. You can see the problem being fixed. Wait for the progress bar to complete, and wait for the repair to complete.