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My PC keeps making a mouse click sound that happens when you open a folder or click a link on the internet. Thing is- it does it when nothing is open and there is no user activity.

It's almost like there's a ghost opening folders and clicking links in the background!

Hope someone can help?

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Does this occur at regular intervals or completely randomly? How often does it happen? – oKtosiTe Mar 22 '13 at 9:47
@oKtosiTe occurs completely randomly – onefourone14 Mar 22 '13 at 9:49
Could you add a list of active processes to your question? You can get such a list by running tasklist.exe in a command prompt (as an administrator). – oKtosiTe Mar 22 '13 at 9:51
Check out your running processes/tasks, and also task viewer and see what can be disabled in MSCONFIG.In my opinion, the way to solve this is to kill 1 process/program at a time and wait to see if the problem stops or continues to know if the fault is resolved or not! It's a long winded approach, so I suggest if you do this, puttle the kettle on first! – Dave Mar 22 '13 at 11:09
This is most likely not the answer, but I have heard of an office prank involving a program which adds random noises to the computer. If you work in an office with some techie pranksters, it's at least a marginal possibility. – roryok Apr 8 '13 at 8:58

See if it's the sound set to play under Control Panel -> Hardware and Sound -> "Change system sounds", the 7th from the end of the list - "Start Navigation". One of the first things I do on a new install of Windows is set that "Start Navigation" to "None" at the lower left corner.

If that's the sound, but you prefer to leave it on, it's going to likely be a long process figuring out which process (as noted by @DaveRook above) is "navigating".

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