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audio and video stuttering, dissapearing cursor but no virus's found?


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#1 Cjos

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Posted 28 June 2009 - 06:18 AM

Hello,

Like the topic says, I am having problems with my audio and video stuttering (can't even play a youtube video or open any games--way to slow) as well as my cursor dissapearing then reappearing periodically during any form of activity.

I had this same problem awhile ago and found it was due to the Microsoft Compatibility Program for Office 2003, which was installed via Windows Automatic Updates. I simply uninstalled that program and did a system restore back to the point just prior to installing that program and everything was fine.

I am now having the exact same problems but since the Compatibility Program for Office is no longer the culprit, I am thinking it is some other update which has been installed recently?

I have run Norton Antivirus 2009, Malwarebytes and SuperAntiSpyware and neither of them have found any infections.

Please advise

P.S. I just wanted to add that I clean and defrag my system on a regular basis, so clutter is not an issue

Edited by Cjos, 28 June 2009 - 06:25 AM.


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#2 Cjos

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Posted 30 June 2009 - 12:24 PM

BUMP Please

Is this the correct forum for this post or should I request help in the suspected Malware section of these boards?

thanks

#3 hamluis

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Posted 30 June 2009 - 12:50 PM

FWIW: When viewers don't respond to a post/thread...it's usually an indication that one of the following may pertain:

a. They have no experience with the situation described.

b. Nothing was found using Google re the situation as described.

c. The problem is poorly explained.

I myself have never heard of video stuttering, unless user was on dialup and/or user had insufficient memory. Audio stuttering historically indicates that the user is employing a sound card/chip which is competing for CPU cycles...and losing. The following links shed some new light for me:

http://en.allexperts.com/q/Desktop-Video-2...tuttering-1.htm

http://ask.metafilter.com/42049/Audiovideo-stuttering

You might also try looking for clues by using Event Viewer.

How To Use Event Viewer - http://www.bleepingcomputer.com/forums/t/40108/how-to-use-event-viewer/

I've not ever known a cursor to disappear/reappear...have you tried disconnecting it and reconnecting? A different mouse?

Louis

Edited by hamluis, 30 June 2009 - 12:54 PM.


#4 Cjos

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Posted 01 July 2009 - 07:38 AM

Louis,

Thanks for the reply. I tried looking at the event viewer and found appx. 3000 events occured over the past couple months. They were in the "system" and "application" catagories. The events were mostly informational with a few errors and warnings but nothing at the specific time when I noticed my problems.

I have noticed however, that when I run CCleaner, I get a list of about 100 Unistaller items. I find that to be a bit odd since I have not uninstalled any programs recently so I have no idea why so many uninstaller items are listed?

As for the stuttering, I agree that it's acting as though I don't have enough memory or free space but I have plenty of both--perhaps something is running in the background?

Is it possible that my virus/malware scans simply missed something? Should I take this problem to the "am I infected" section of this forum?

Thanks,

Chris

#5 hamluis

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Posted 01 July 2009 - 10:11 AM

Anything is possible :thumbsup:.

Please try a couple of these free online scanners to see if anything has slipped by your protection:
(Be advised that some of these scanners will pickup things in "quarantine" from other anti-virus programs - so review the results carefully)

http://www.pandasecurity.com/homeusers/solutions/activescan/
http://us.mcafee.com/root/mfs/default.asp
http://housecall.trendmicro.com
http://www.bitdefender.com/scan8/ie.html
http://support.f-secure.com/enu/home/ols.shtml
http://onlinescan.avast.com/
http://ca.com/us/securityadvisor/virusinfo/scan.aspx
http://www.eset.com/onlinescan/

http://www.kaspersky.com/virusscanner Scan Only - no removal


If you find that you're infected (or the scan doesn't complete or closes unexpectedly), post in the Am I Infected forum located here: http://www.bleepingcomputer.com/forums/f/103/am-i-infected-what-do-i-do/

Louis

#6 Cjos

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Posted 20 July 2009 - 03:49 PM

I apologize for such a late reply to my original post--life got in the way.

Anyway, after doing some of the scans that were suggested (all of which came up clean) I decided to do some research for other possibilities. What I eventually found (today) was that my Primary drive had dropped into PIO mode from DMA 5, which of course accounted for my sluggish computer--especially while trying to watch videos or listen to music.

While there are some good tutorials out there explaining how to reset the transfer mode, I ended up using REGEDIT to manually delete the proper item. After restarting, windows automatically stepped up the transfer mode back to DMA 5 and all is well again :thumbsup:

Just thought I'd share a happy ending!

#7 hamluis

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Posted 20 July 2009 - 05:41 PM

Feedback appreciated, many of us have experienced the DMA to PIO mode thing.

For future reference: Getting back to DMA mode in Windows XP - http://sniptools.com/vault/getting-back-to...e-in-windows-xp

Happy computing :thumbsup:.

Louis




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