Windows XP keeps restarting only when connected to internet

By vcongion ·
Hello all,

I currently work for a <a href="">Computer repair services company</a> and have ran into an issue where all computers(3) in a woman's house are restarting ONLY when they are connected to the internet. I searched previous posts but none mentioned anything of this nature. I ran spybot, Ad-aware, and avg. I removed a few instances of spyware, however this did not resolve the issue. I cleared internet cache, removed temporary files ect...still no dice. Anyone have any suggestions? I would appreciate it. Thanks!
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All Answers

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by wownerd101 In reply to Windows XP keeps restarti ...

Well I in that case would just nuke it. But this lady probably wants t keep all her information. So either convince her to let you format and reinstall drivers etc to more diagnose the problem to hardware rather than software. Otherwise keep searching and gl. May not be much help but anything works right?

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That's a bit brutal for a three machine problem !! <NT>

by OldER Mycroft In reply to Format.
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Are you RELIEVING these PCs on-site ...

by OldER Mycroft In reply to Windows XP keeps restarti ...

Sorry, got to ask - who came up with the name "Relieve my pc" ?

Sounds vaguely sexual to me.

In what way are they 'restarting'?
Do they all restart simultaneously? Or do it at differing times?

Have you tried running them connected to the internet elsewhere?

I initially thought of some kind of AC power problem.

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PC relief is being performed offsite :)

by vcongion In reply to Are you RELIEVING these P ...

hehe - You like it? Came up with it myself.

I dropped them off at the customer's house thinking they were repaired since I didn't experience the issue at my location. Then the same problem occurred. According to the customer an error appeared that pointed to a temp file location - c:Docume~1\aarons\locals~1\Temp\wer7406.dir00\mini\082608.03.dmp\sysdata.xml

I tried having her remove cookies / cache and when doing so the computer restarted.

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by w2ktechman In reply to PC relief is being perfor ...

try changing routers for a test, and/or putting a temp UPS on-site. Does it still occur?
It may be a problem with the router, or an AC issue, or even possibly the dsl modem/cabling.
If the cabling is bad, it may be sending bad packets to the computers, which Windows cannot handle.

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Nah, not AC

by wownerd101 In reply to Windows XP keeps restarti ...

i though of Power but it couldn't be. Simply opening the internet could not be enough to shut of the computer. Unlucky Overheating? I was thinking more along the lines of a networked boot sector virus. Where one computer got it and then infected the other 2.

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Only other thing

by wownerd101 In reply to Windows XP keeps restarti ...

Only other thing i can think of to do is try other internet areas. Take her computer to work, just one. And see if it works. If it does work and surf no problem then Power problem. Oddly. If it doesnt then there is either some malfunction that HAPPENS to be on all 3 machines or theres a networked virus. In this case. I would take extra caution if you did bring it in. Bring it in on a closed network with only that computer on it. Hard but maybe a diagnosis.

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A couple of things to check

by Jacky Howe In reply to Windows XP keeps restarti ...

Check the memory:

You can test the memory by running Windows Memory Diagnostic that can be downloaded from If memory problems are found, try re-seating the RAM. If it doesn't work, replace the defective RAM.

Test the Power Supply Unit:

Download Prime95.

Prime95 is used to put your system at full load. You want your system at full load when checking your voltages to ensure your PSU is up to spec. The whole point is to make sure your PSU can handle what your system asks of it. When it is installed run it and go to Options and run the Torture Test. Run the Inplace FFTs (Max Power, Heat and some Ram).

If your PC restarts during this test you have a faulty Power Supply (PSU) and it will need replacing.

Download SpeedFan and check the Voltages and Temps while Prime95 is running.

You will want your 12-volt rail to be within 11.52 to 12.48 during load. This means when you are running your cpu at 100% you do not want to drop below 11.52 or you may experience stability problems including but not limited to system restarts and Windows crashes. For the 5-volt rail, you want it to be within 4.8 to 5.2 to be within the 4% range. As for the 3.3 volt rail, you want it to be within 3.17 to 3.43

It could also be the blaster worm

If the system date is after August 15th and before December 31st, the worm will cause compromised systems to initiate a denial of service attack against This attack will also occur after the 15th day of each month not in the above date range. One of the following conditions must be met in order for the denial of service attack to occur:

The worm runs on a Windows XP computer that was either infected or rebooted during the payload period.

Follow these steps to download and run the tool:

Download the FixBlast.exe file from:

Save the file to a convenient location, such as your Windows desktop.

Optional: To check the authenticity of the digital signature, refer to the "Digital signature" section later in this writeup.

Note: If you are sure that you are downloading this tool from the Security Response Web site, you can skip this step. If you are not sure, or are a network administrator and need to authenticate the files before deployment, follow the steps in the "Digital signature" section before proceeding with step 4.

Close all the running programs.

If you are on a network or if you have a full-time connection to the Internet, disconnect the computer from the network and the Internet.

If you are running Windows Me or XP, turn off System Restore. For instructions on how to turn off System Restore, read your Windows documentation, or one of the following articles:

Locate the file that you just downloaded.

Double-click the FixBlast.exe file to start the removal tool.

Click Start to begin the process, and then allow the tool to run.

NOTE: If you have any problems when you run the tool, or it does nor appear to remove the threat, restart the computer in Safe mode and run the tool again.

Restart the computer.

Run the removal tool again to ensure that the system is clean.

If you are running Windows Me/XP, then reenable System Restore.

If you are on a network or if you have a full-time connection to the Internet, reconnect the computer to the network or to the Internet connection.

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Issue Resolved

by service In reply to Windows XP keeps restarti ...

I ended up changing the USB wireless adapters. They were apparently causing the machines to reboot each time they were plugged in. Very odd resolution but it seemed to work. Thank you everyone for your prompt responses!

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Glad to see that you

by Jacky Howe In reply to Issue Resolved

are up and running.

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