Weird auto-scrolling issue

I have been having the following issue with my 2009 i7 iMac for the last few months. It is an irritant, but is gradually becoming maddening.
Specifically, if the active window has a vertical scrollbar, it will start scrolling down automatically and won't stop until it reaches the 'bottom' of the window. You can pull the scrollbar back up from there, but it will immediately scroll down again. It doesn't happen all the time - it can occur from 1-2 times a day to once every couple of weeks, but once it gets triggered, only logging off or restarting will clear it. It has persisted over multiple revisions of 10.6.
I am using a Wacom Intuos 3 tablet and a Magic Trackpad, and no mouse is active on the system. The scrolling issue occurs even if I unplug the Wacom tablet and turn off the Trackpad, and has persisted over multiple versions of the Wacom driver software, so I don't think it's connected to specific hardware. There may also be some sort of x-mouse component - when the problem occurs, the Twitter for Mac window will become active if I pass the mouse cursor over it, but I don't think this applies to all windows. Also, the problem seems to occur more often in conjunction with iTunes (sometimes it will trigger right after I quit iTunes, for instance), for no reason that I can fathom.
Anybody seen anything like this before? I'd do a fresh install and migrate my data, but am afraid that would just reimport whatever the problem file is - please let me know if this fear is unfounded.
Thanks for any pointers or hints you can give me.

I don't know if you are still having this problem, but if you have a wireless keyboard, it may be defective. I had the same issue on my iMAC 27" and trying a different keyboard seems to have fixed the problem.

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Hi Auto5starz,
For the printer issue ,please take the following steps to have a check :
1. Run the tool in the link to have a check
Troubleshoot printer problems
http://windows.microsoft.com/en-HK/windows/printer-problems-in-windows-help#fix-printer-problems=windows-7&v1h=win8tab2&v2h=win7tab3&v3h=winvistatab1&v4h=winxptab1
2.Clear the spooler cache to have a check .
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3.Update the printer driver or reinstall it ,you may need to download the manufacturer driver for it.
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Auto-scrolling of list view in Finder windows sometimes doesn't work

I've noticed a minor bug in 10.4 that doesn't seem to show up in 10.3.9, and I thought I'd comment on it here because it's mildly annoying, and I'm not sure that anyone at Apple is aware of the issue.
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I've been having the same problem (though I haven't looked at the console yet to verify the same exact error).
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When I do have the problem where the compose window isn't created when replying, I also can not start a new message, note, or forward a message. Basically, no new windows can pop up besides the windows that are already there in Mail. When I quit mail, every window I tried to create by replying, making a new message, or forwarding, appears in the draft folder, just before the program closes. Then, the next time I open Mail all the windows appear that I tried to create, with no text in them. Very strange. Looks like this poster has a similar problem.
http://discussions.apple.com/thread.jspa?threadID=1197152&tstart=1020
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Hello,
I am just getting used to Garage Band for the first time. I am finding that Garage Band is much easier to deal with than Mark Of the Unicorn from a musical standpoint.
I am now converting my many MIDI sequences to GB. I have run into these three issues that I cannot seem to figure out.
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Thank you very much, Cristoph!
With your help, you have answered both questions 1 and 3.
Concerning question 2, I can see that when I click on the track header, the entire track is selected, but I am trying to physically select from one bar to another in that track.
I've tried clicking on the start bar and draging to the end and releasing. The whole track is still selected.
I've tried holding down the Shift key and doing the same. Still the whole track is still selected.
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beezaman,
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Hello,
Try disabling graphics hardware acceleration. Since this feature was added to Firefox, it has gradually improved, but there still are a few glitches.
You might need to restart Firefox in order for this to take effect, so save all work first (e.g., mail you are composing, online documents you're editing, etc.).
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@sjmphoto0300: I have a Dell XPS 15 502X laptop (running Win 7 Home) and had the same scrolling issue as you in LR 3.6 when in the Library module only (the Develop module sidebar scrolling works fine). I could not scroll using my touchpad on the left or right pane unless my cursor was directly over either thin grey scroll bar or on the actual sidebar headings (e.g. "Catalog," "Folders," or "Quick Develop"). Mousing over the latter would only enable me to scroll until the cursor was no longer over the heading which was pretty useless.
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I had to do TWO things to get scrolling in the sidebars working properly:
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2) Right-click an empty spot on the desktop and go to Personalize > Change Mouse Pointers > Device Settings (Synaptics logo on tab) > Settings. Click on Scrolling on the left of the Synaptics Properties window > Scroll item under pointer. Click Enable.
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Sounds like someone has been messing with your keyboard shortcuts...
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Auto-scrolling doesn't work when JFrame is not visible

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I've overcame this by scrolling down in "windowShown", but it's ugly because the user can visually see the scroll down when using this workaround (it jumps).
I guess this is Swing's optimization, but I would really like to overcome it in someway. But it seems I'm not enough a swing hacker to do it.
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I've tried to override the isShowing-method of JInternalFrame, with no luck.
Here's my scrolling method:
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At some point I had really hard time getting the auto-scrolling to work, as I got these weird little bumps after scrolling down.
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The scrolling is already wrapped in SwingUtilities.invokeLater() - in conjuction with printing text into the JTextPane and it works OK.
I had some wrong info in the first post, the viewport actually does get scrolled down even when the JFrame is not visible. And by visible I mean JFrame.setVisible(false) - my application has a minimize-to-tray feature, which hides the JFrame.
So I think the problem is 'just' a repainting problem. When the frame is shown, the previous scroll location is first displayed, and then a repaint is triggered that causes the 'jump down'.
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Auto scrolling jerky

Hi Everyone,
Adobe Audition 3
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I could be mistaken and probably am since SteveG hasn't already mentioned this, but I would be willing to bet it's a hard drive speed issue.
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Hi guys,
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Haven't seen that on my Y3P, *but* I agree that the trackpad is just horrible compared with Mac trackpads, or even with the Logitech T650. As for Chrome, indeed it works OK with touch but not so great with the trackpad. In general, IE works better, looks nicer, and uses less power---but it's noticeably slower.

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Does my iPad have an Auto Scroll for Safari?
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Edited by: Ecommerce Developer on Jul 9, 2009 5:58 PM
Edited by: Ecommerce Developer on Jul 9, 2009 5:59 PM

Just updated to Firefox 8, and my auto scroll on my touchpad no longer works. Any help?!

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