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Instruction at referenced memory ...could not be read


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#1 jcwagg

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Posted 08 November 2011 - 04:56 AM

I hope I'm not repeating an already posted problem. When I boot up (XP Pro - SP3 with up to date updates)I've started to get the following error message "The instruction at "0X1007ba84" referenced memory at "0Xffffffff" the memory could not be read. Press OK to terminate or Cancel to debug" I always click cancel to debug and windows loads normally with no further problems. Not understanding this message, I'm worried that it is a portent of worse things to come. Any advice would be welcome.

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#2 Allan

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Posted 08 November 2011 - 07:42 AM

1) At exactly what point in the boot process do you get the message?

2) What is new or different since the last time everything worked properly (ie, new hw, new sw, virus, error, etc)?

#3 jcwagg

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Posted 08 November 2011 - 09:54 AM

Hi, thanks for your reply.

The error message occurs just as the blue log in screen appears. When I press cancel to debug, the message disappears, and I'm able to put in my password and everything proceeds as normal from that moment.

I'm not aware of any new software , hardware, viruses or errors since this started happening (today was the 4th day in a row I got the message)and only I use the computer.

#4 Allan

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Posted 08 November 2011 - 03:10 PM

Does it appear if you boot to safe mode?

#5 jcwagg

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Posted 09 November 2011 - 10:32 AM

The problem does not appear if I boot in Safe Mode. However it still occurs in normal boot mode.

#6 Allan

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Posted 09 November 2011 - 04:57 PM

Open msconfig and on the General tab choose "selective startup" (uncheck all three items) and reboot. Does the problem still occur? If not, start adding items back to msconfig one or two at a time, rebooting after each change, until the problem reappears and you'll have identified the offending process. This is clearly a time consuming procedure, but it is the best way to determine if some process loading with the system is the cause of your problem.
After you've isolated the cause, do not use msconfig to permanently disable the process. Instead, if it is a service go to START - RUN and type: services.msc (then press enter) and disable the service OR, if it a program, you can download & run a simple app such as Mike Lin's Startup Control Panel (http://www.mlin.net/StartupCPL.shtml) to enable, disable, or otherwise manage startup programs.

#7 jcwagg

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Posted 10 November 2011 - 02:59 PM

Hi, Thanks for your advice. I managed to identify the programme which was causing the problem (Rapport)and decided I could live without it. Since deletion of the programme everything runs fine. Thanks again.

#8 Allan

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Posted 10 November 2011 - 03:03 PM

Glad you've got it all sorted out. Happy to help and thanks for posting back.




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