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My computer has suddenly started to move the mouse pointer to the upper right direction, then I unplugged the mouse and after that tried with another working mouse and it did the same, then I've did a scan with malwarebytes to see if it was a malware but no malwares detected... Then I went to mouse properties but found nothing that could fix this other than patch this temporally by setting the mouse to the slowest speed, it stills moves automatically but lot less, but it is a PITA.. I'm using windows 7 and I've tried both PS2 and USB mouse I don't know what do next thanks

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You using a PS2 or USB2 mouse? Indicate what version of Windows you are using in the question itself. – Ramhound Oct 16 '13 at 18:58
Do you have mousekeys turned on? – Darth Android Oct 16 '13 at 19:01
I'm using windows 7 and I've tried PS2 and USB both do the same. I also have mousekeys disabled (default) – anonimatos Oct 16 '13 at 19:10
Have you tried disabling PS2 in the BIOS? Electrical interference near the ports can cause this. Or somehow shield the ports or the back of your tower. – Moses Oct 16 '13 at 19:14
In addition to @Moses's suggestion, do you have the wires bundled tightly together? It is possible for electrical signals to jump wires. – Colyn1337 Oct 16 '13 at 19:17

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