Navigate to Windows Control Panel and double click on Mouse* item to open the mouse properties. Uninstall and re-install the Mouse device.
For that task follow the instructions in this guide: How To Scan Your Computer for Viruses and other Malicious Programs.
* Note: Before you continue to the methods below apply the following actions, and see if the problem persists: How to FIX: Mouse Pointer Moving on its Own issue on Windows.* This article contains several methods to resolve the 'mouse cursor moving on its own' issue on your PC.
If you face a similar problem, then continue reading below. In particular, the mouse cursor on his laptop moves slowly to the left side of the screen and makes it difficult to click on anything on the screen. Recently a friend told me that its mouse cursor moves on its own.
