The failure that the circle is always displayed next to the mouse may be caused by the following reasons, and the user needs to solve it accordingly:

1) Customize the mouse style.

At this point, you can go directly to control panel > and simply restore the cursor style in the mouse to the default value.

2) There are programs running in the background, and the circle rotation represents waiting.

At this time, use the shortcut key "crtl+alt+delete" to open the device manager and force the end of the unresponsive or abnormal program.

3) Delayed popup of the right mouse button menu leads to

At this point, you can modify the registry pertinently, click Start > Run > Registry Edit, and navigate to HKEY _ Class _ Root/Directory/Background /Shellex/ Context Menu Handler.

There are generally only two keys below: one is New, which corresponds to the new item in the right-click menu, and the other is NvCplDesktopContext. Just delete it at this time.

4) Viral factors

Try to scan the virus completely, and then confirm whether the mouse fault still exists after antivirus.