Usb Hub Pen
A look at what is currently available on eBay
 4 Port USB 2.0 Hub Pen Holder Speaker LED Light 1284 US $5.29 
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 4 Port USB HUB Pen Holder Speaker Blue LED Night Light US $12.99
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 Blue LED Night Light Speaker 4 Port USB HUB Pen Holder US $1.99
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 Black Red USB Hub Speaker w Blue LED Light Pen Holder US $11.81
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 Pen Holder Hub with 4 USB 2.0 Ports and Blue LED Light US $6.71
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 4 Ports USB Hub Speaker with Blue LED Light Pen Holder US $14.56
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 Multi Function USB Hub Speaker w LED Light Pen Holder US $13.54
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 Pen style 4 port USB Hub for Laptop Computer US $7.00
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 Stylish USB 2.0 Hub Speaker Pen Holder w LED Light US $14.58
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 4 Port USB Hub Pen Holder Speaker Blue LED Night Light US $8.50
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 4 Ports USB HUB Pen Holder Speaker Blue LED Night Light US $.99
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 Pyramid USB 4 Ports Pyramid Computer Hub with Pen Holder US $17.02
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 USB 4 Ports Pyramid Computer Hub with Pen Holder US $16.26
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 4-Port USB 1.1 Hub with LED Pen Holder US $12.04
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 Desk Buddy 4 Port USB Hub Pen Holder Speaker Blue LED Night Light Cute Lamp S US $8.72
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weird problem with my wacom bamboo tablet?
well, sometimes my tablet goes crazy. it has both touch and pen functions, and the touch function simply works by itself! it doesn't just move the cursor on the screen, it clicks on stuff and double clicks and right clicks..... it's creepy xD
last time it happened, it was right when i was scanning something with my scanner. it went crazy again. i always have to hit the 'touch off' button when i open the computer just to be sure.... >.>
it doesn't seem to have any sort of problem when i'm using it tho, and the pen also works just fine.
does this mean it's broken or something? it doesn't particularly bother me, but i'm afraid it might be some bigger problem.
PS: i use an 5 Ports Usb Hub, because my computer only has 2 ports, which is pretty useless. could it have anything to do with it?
It's good that you mentioned the USB hub. If your tablet is going through the USB hub then this may be the cause. Try plugging your tablet in directly and see if you are still having the issue.
I always find USB hubs troublesome. Many of the managers at my company insist on having them and I'm always having to visit them again later to fix problems when something starts malfunctioning. It's usually because the single USB port is being overloaded by having multiple USB ports in the hub running from it.
I know some of the Bamboo tablets are wireless, which means that they could be getting interference by other wireless devices in the vacinity. I've seen that many times. Someone using a wireless keyboard/mouse in an office complained that their mouse cursor kept moving around on it's own. It was because there was someone in the next office who also had the same type of keyboard/wireless and the signals were interfering with each other.
If you have any other radio devices near to your tablet then try moving them, these could be things like radio key fobs, mobile phones, pagers, radio phones, microwave ovens, wireless routers,
In the Wacom manual is mentions the possibility of interference on the Wacom tablet on page 39, link below.
http://wacom.com/downloads/manuals/Bamboo_UserManual.pdf
I'm thinking radio interference is likely to be your issue.