page cant' be accessed on my network

for some odd reason, I suddenly can't access my webpage on my wireless network at home. 2 laptops and one desktop using that connection and some pages can't open while others can.
the error i'm getting (chrome) is Error 101 (net::ERR_CONNECTION_RESET): Unknown error.
i've done some googling and some say it's malware etc, but surely that would be a machine specific problem - this seems to be the network. there's no proxy settings, can anyone advise what to do.

LVL 39
blue-genieAsked:
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phototropicCommented:
I'm running out of ideas too!

The next step in trouble-shooting this problem would be to try replacing the router, and then try to connect.

It is very odd that it is only one web site that will not load...
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phoenixfire425Commented:
I would first start off by unplugging both your modem and your router for about 30-60 sec.

then plug them back in and then see if you can connect.

if that does not work try going to start > run > then type "ipconfig /flushdns"  without the "
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phototropicCommented:
What av software are you using?

A scan with Mbam on each pc wouldn't hurt.  If you can rule out malware that will make troubleshooting a lot easier.

Download Mbam:

http://www.malwarebytes.org/mbam.php

Make sure to update it until it says "You have the latest definitions".  Then run a full scan.

 Please post the scan logs here for review.
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blue-genieAuthor Commented:
phoenixfire - i've done both things and no joy.
phototropic - explain to me - why would malware target one specific website? I'll try it but just want to understand it.
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phototropicCommented:
"...why would malware target one specific website..."   I didn't think it was only one website.  
"...some pages can't open while others can..."  That refers to pages from the SAME site?  
If that is the case, it will more likely be something specific to your network - low bandwidth; timeouts;

Have you checked out the proceedure here:

http://www.google.com/support/chrome/bin/answer.py?hl=en&answer=117804

Seems to relate to a permissions issue with the Temp directory.

But I would still run a malware scan...
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blue-genieAuthor Commented:
busy running malware check.
one specific website www.blue-genie.co.za doesn't load.
it loads on any other machine on a different network, i can load it on my phone.
all machines connecting to the internet via my wireless connection can not.

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phototropicCommented:
That is a pretty resource-intensive website.  Taskmanager showed CPU usage of 40% as soon as I opened it.  When I closed it, iexplore.exe went back to 0%.  Could this be a bandwidth issue of somekind.?

Does the site open if you use a cabled connection to the same router?
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blue-genieAuthor Commented:
i've tried a cabled connection - no joy there either.
in IE 9


•Internet connectivity has been lost.
•The website is temporarily unavailable.
•The Domain Name Server (DNS) is not reachable.
•The Domain Name Server (DNS) does not have a listing for the website's domain.
•There might be a typing error in the address.
•If this is an HTTPS (secure) address, click Tools, click Internet Options, click Advanced, and check to be sure the SSL and TLS protocols are enabled under the security section.

unable to connect with either firefox, chrome or IE
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blue-genieAuthor Commented:
scan logs
Malwarebytes' Anti-Malware 1.50.1.1100
www.malwarebytes.org

Database version: 6407

Windows 6.1.7600
Internet Explorer 9.0.8112.16421

4/20/2011 10:13:30 PM
mbam-log-2011-04-20 (22-13-30).txt

Scan type: Full scan (C:\|D:\|)
Objects scanned: 328835
Time elapsed: 1 hour(s), 40 minute(s), 7 second(s)

Memory Processes Infected: 0
Memory Modules Infected: 0
Registry Keys Infected: 0
Registry Values Infected: 0
Registry Data Items Infected: 0
Folders Infected: 0
Files Infected: 0

Memory Processes Infected:
(No malicious items detected)

Memory Modules Infected:
(No malicious items detected)

Registry Keys Infected:
(No malicious items detected)

Registry Values Infected:
(No malicious items detected)

Registry Data Items Infected:
(No malicious items detected)

Folders Infected:
(No malicious items detected)

Files Infected:
(No malicious items detected)
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phototropicCommented:
So, no malware then.

3 pcs unable to access one single website, either wirelessly or via ethernet, but the site is accessible elsewhere.  Points to the router.  Have you configured the router's firewall or security settings in any way?
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blue-genieAuthor Commented:
hey not at home atm, I haven't done anything to change the router but i'll fiddle some more when i get home.
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blue-genieAuthor Commented:
i contacted our ISP and they're trying to no avail to figure out what has happened.
if i connect via the ethernet - i'm bypassing the router and that doesn't work.
an interesting happening though, had a power failure for about 10hrs today, when the power came back on, i could access the site, then about 10 mins later - I could not.
i am truly clueless.
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blue-genieAuthor Commented:
thanks for all your patience. When it comes right (i'm being positive) - I'll post back, but let me close this so long.
thanks for your help.
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