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computer boots suddenly without warning

 
 
Shashank
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      12th May 2008
I have windows XP home and my computer boots suddenly. Sometimes it just
hangs after booting and I have to press the button on the machine to restart.
I have anti-virus (McAfee) installed and have checked for virus several times
but apart from spyware and a few trojans in mp3 files, nothing came out.

Can anyone help?
 
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solidsnake204
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      12th May 2008
What do you mean? Are you saying that when your PC is off, that it turns it
self on?
Or is it restarting when your using the PC?

"Shashank" wrote:

> I have windows XP home and my computer boots suddenly. Sometimes it just
> hangs after booting and I have to press the button on the machine to restart.
> I have anti-virus (McAfee) installed and have checked for virus several times
> but apart from spyware and a few trojans in mp3 files, nothing came out.
>
> Can anyone help?

 
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Patrick Keenan
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      12th May 2008
"Shashank" <(E-Mail Removed)> wrote in message
news:80FF3A43-DE29-474E-A2D6-(E-Mail Removed)...
>I have windows XP home and my computer boots suddenly. Sometimes it just
> hangs after booting and I have to press the button on the machine to
> restart.
> I have anti-virus (McAfee) installed and have checked for virus several
> times
> but apart from spyware and a few trojans in mp3 files, nothing came out.
>
> Can anyone help?


If the computer is suddenly starting, this is often not due to malware, but
rather to features like "wake on lan" or "wake on ring". Controls for
these are sometimes found in the system BIOS; consult the manual for your
system.

HTH
-pk


 
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nass
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      12th May 2008


"Shashank" wrote:

> I have windows XP home and my computer boots suddenly. Sometimes it just
> hangs after booting and I have to press the button on the machine to restart.
> I have anti-virus (McAfee) installed and have checked for virus several times
> but apart from spyware and a few trojans in mp3 files, nothing came out.
>
> Can anyone help?



I think your machine may be still infected and you need to clean it up by
doing the following and also check the BIOS for wake up on WAN or LAN (check
the documentation of your machine or the MOBO).

Go through these Cleaning steps:
1... Click start >> Control Panel >> Double Click Network and Internet
Connections >> Double click Internet Options, on the IE Properties window
you will see these Options:
General | Security | Privacy | Content | Connections | Programs
| Advanced .

Click on General Tab (1st Tab on the left) and you will see a Button called
[ Clear History ..] click on it to clear your History caches, then click on
[Delete Files..] to delete Internet Files created over the time, click on [
Delete Cookies...] to delete your cookies left by visiting websites.

Then click on Advanced tab and scroll down to under the Browsing Option:
[&] Browsing
[ ] Enable Third-Party browser extensions (Req Rest) uncheck this box.
= Then try to Disable the Add-Ons on your Browser somehow installed on your
browser, On how to disable the Add-ons follow this:
Click on Programs Tab and then click the Manage Add-Ons Button there Disable
the Non/Not Verified Plug-ins/Add-ons ( you need to Renable them one-by-one
later and see which is the culprit .
How to manage Add-Ons:
http://support.microsoft.com/kb/883256
Scan for malware from here:
SuperAntispyware - Free
http://www.superantispyware.com/supe...freevspro.html
http://onecare.live.com/site/en-gb/d....htm?s_cid=sah
http://onecare.live.com/standard/en-gb/default.htm
RootkitRevealer v1.71
By Bryce Cogswell and Mark Russinovich
http://www.microsoft.com/technet/sys...tRevealer.mspx

Run a scan from here on-line:
http://security.symantec.com/sscv6/d...d=ie&venid=sym
http://www3.ca.com/securityadvisor/virusinfo/scan.aspx
Download Avast Cleaner (off-line scanner) from here:
http://www.avast.com/eng/avast-virus-cleaner.html

Lots of tools to download and disinfect your machine (off-line scanner):
http://www.bitdefender.co.uk/site/Do...eeRemovalTool/


Download the Hijackthis and send the report to one of
many
forums for analysis and troubleshooting:
When all else fails, HijackThis v2.0.2
(http://www.trendsecure.com/portal/en...hijackthis.php) is
the preferred tool to use.
It will help you to both identify and remove any hijackware/spyware. Post
your log to:
http://aumha.net/viewforum.php?f=30,
http://castlecops.com/forum67.html,
http://forums.subratam.org/index.php?showforum=7
http://www.bleepingcomputer.com/tuto...utorial42.html
http://www.bleepingcomputer.com/forums/
Or other appropriate
forums for expert analysis, not here.
Let us know your progress.
nass
----
http://www.nasstec.co.uk
 
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HeyBub
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      12th May 2008
Shashank wrote:
> I have windows XP home and my computer boots suddenly. Sometimes it
> just hangs after booting and I have to press the button on the
> machine to restart. I have anti-virus (McAfee) installed and have
> checked for virus several times but apart from spyware and a few
> trojans in mp3 files, nothing came out.
>
> Can anyone help?


If you have only a few Trojans, I can't imagine what it could be.

Now if you had a LOT of Trojans, well, I'd be worried...


 
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Shashank
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      13th May 2008
correction: I meant it re-boots suddenly. For example, while I am working on
something whether internet or a document, it re-boots suddenly.

"solidsnake204" wrote:

> What do you mean? Are you saying that when your PC is off, that it turns it
> self on?
> Or is it restarting when your using the PC?
>
> "Shashank" wrote:
>
> > I have windows XP home and my computer boots suddenly. Sometimes it just
> > hangs after booting and I have to press the button on the machine to restart.
> > I have anti-virus (McAfee) installed and have checked for virus several times
> > but apart from spyware and a few trojans in mp3 files, nothing came out.
> >
> > Can anyone help?

 
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Shashank
Guest
Posts: n/a
 
      13th May 2008
correction: it re-boots (i.e. while it is on, it re-starts on it's own)
suddenly while it is on. I am using the computer at home and there is no LAN.

"Patrick Keenan" wrote:

> "Shashank" <(E-Mail Removed)> wrote in message
> news:80FF3A43-DE29-474E-A2D6-(E-Mail Removed)...
> >I have windows XP home and my computer boots suddenly. Sometimes it just
> > hangs after booting and I have to press the button on the machine to
> > restart.
> > I have anti-virus (McAfee) installed and have checked for virus several
> > times
> > but apart from spyware and a few trojans in mp3 files, nothing came out.
> >
> > Can anyone help?

>
> If the computer is suddenly starting, this is often not due to malware, but
> rather to features like "wake on lan" or "wake on ring". Controls for
> these are sometimes found in the system BIOS; consult the manual for your
> system.
>
> HTH
> -pk
>
>
>

 
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Shashank
Guest
Posts: n/a
 
      13th May 2008
I should clarify: It re-boots suddenly when on.

"nass" wrote:

>
>
> "Shashank" wrote:
>
> > I have windows XP home and my computer boots suddenly. Sometimes it just
> > hangs after booting and I have to press the button on the machine to restart.
> > I have anti-virus (McAfee) installed and have checked for virus several times
> > but apart from spyware and a few trojans in mp3 files, nothing came out.
> >
> > Can anyone help?

>
>
> I think your machine may be still infected and you need to clean it up by
> doing the following and also check the BIOS for wake up on WAN or LAN (check
> the documentation of your machine or the MOBO).
>
> Go through these Cleaning steps:
> 1... Click start >> Control Panel >> Double Click Network and Internet
> Connections >> Double click Internet Options, on the IE Properties window
> you will see these Options:
> General | Security | Privacy | Content | Connections | Programs
> | Advanced .
>
> Click on General Tab (1st Tab on the left) and you will see a Button called
> [ Clear History ..] click on it to clear your History caches, then click on
> [Delete Files..] to delete Internet Files created over the time, click on [
> Delete Cookies...] to delete your cookies left by visiting websites.
>
> Then click on Advanced tab and scroll down to under the Browsing Option:
> [&] Browsing
> [ ] Enable Third-Party browser extensions (Req Rest) uncheck this box.
> = Then try to Disable the Add-Ons on your Browser somehow installed on your
> browser, On how to disable the Add-ons follow this:
> Click on Programs Tab and then click the Manage Add-Ons Button there Disable
> the Non/Not Verified Plug-ins/Add-ons ( you need to Renable them one-by-one
> later and see which is the culprit .
> How to manage Add-Ons:
> http://support.microsoft.com/kb/883256
> Scan for malware from here:
> SuperAntispyware - Free
> http://www.superantispyware.com/supe...freevspro.html
> http://onecare.live.com/site/en-gb/d....htm?s_cid=sah
> http://onecare.live.com/standard/en-gb/default.htm
> RootkitRevealer v1.71
> By Bryce Cogswell and Mark Russinovich
> http://www.microsoft.com/technet/sys...tRevealer.mspx
>
> Run a scan from here on-line:
> http://security.symantec.com/sscv6/d...d=ie&venid=sym
> http://www3.ca.com/securityadvisor/virusinfo/scan.aspx
> Download Avast Cleaner (off-line scanner) from here:
> http://www.avast.com/eng/avast-virus-cleaner.html
>
> Lots of tools to download and disinfect your machine (off-line scanner):
> http://www.bitdefender.co.uk/site/Do...eeRemovalTool/
>
>
> Download the Hijackthis and send the report to one of
> many
> forums for analysis and troubleshooting:
> When all else fails, HijackThis v2.0.2
> (http://www.trendsecure.com/portal/en...hijackthis.php) is
> the preferred tool to use.
> It will help you to both identify and remove any hijackware/spyware. Post
> your log to:
> http://aumha.net/viewforum.php?f=30,
> http://castlecops.com/forum67.html,
> http://forums.subratam.org/index.php?showforum=7
> http://www.bleepingcomputer.com/tuto...utorial42.html
> http://www.bleepingcomputer.com/forums/
> Or other appropriate
> forums for expert analysis, not here.
> Let us know your progress.
> nass
> ----
> http://www.nasstec.co.uk

 
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Shashank
Guest
Posts: n/a
 
      13th May 2008
Correction: I should have written 're-boots suddenly' while being on.

"HeyBub" wrote:

> Shashank wrote:
> > I have windows XP home and my computer boots suddenly. Sometimes it
> > just hangs after booting and I have to press the button on the
> > machine to restart. I have anti-virus (McAfee) installed and have
> > checked for virus several times but apart from spyware and a few
> > trojans in mp3 files, nothing came out.
> >
> > Can anyone help?

>
> If you have only a few Trojans, I can't imagine what it could be.
>
> Now if you had a LOT of Trojans, well, I'd be worried...
>
>
>

 
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Colin Barnhorst
Guest
Posts: n/a
 
      13th May 2008
Others have addressed the malware issue. I suggest that you clean the
machine from all collected dust and lint and take other measures to ensure
that it is not overheating.

"Shashank" <(E-Mail Removed)> wrote in message
news:80FF3A43-DE29-474E-A2D6-(E-Mail Removed)...
>I have windows XP home and my computer boots suddenly. Sometimes it just
> hangs after booting and I have to press the button on the machine to
> restart.
> I have anti-virus (McAfee) installed and have checked for virus several
> times
> but apart from spyware and a few trojans in mp3 files, nothing came out.
>
> Can anyone help?


 
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