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Help...What happened to my Internet connection?!?

A

adam9977

Junior Member
Trying to help a friend with their computer, and I am stumped!

HP laptop which has been running perfectly on their wireless network two days ago suddenly stopped being able to access the Internet. I had the same issue when I hooked it up to my wireless network, and when I hooked it directly to my router.

I can ping IP addresses and websites. I can access Windows Update. I can do everything except access the Internet through IE or Firefox.

The laptop is running Vista Home Premium, and its model is dv2610us (specs: http://h10025.www1.hp.com/ewfrf/wc/d...548264&lang=en )

I have tried various things such as:

Disabled then uninstalled Avira.
Disabled Windows Firewall.
Turned off Windows Defender
Disabled all Network adapters on the laptop and tried to use a USB wireless adapter that I know works.
Also completely uninstalled all network adapters and reinstalled them.

There were no software changes (nothing installed or uninstalled) that occurred near the time of the issue first popping up.

Any help would be appreciated!
 
If the system is clean of spyware/etc, you could also try a System Restore to before the problem started.
 
I run into this problem alllllllll the time with customers on the phone (I do tech support for modems, so this is right in my line of work). Usually what causes it is their stupid firewall/internet security programs. The programs have this really strange habit of letting the computer run fine a for a few days, or even weeks at times, and then randomly just stop all internet traffic to the browsers.

My suggestion would be to do a check for any firewall/internet security programs you can find on the computer. Uninstall them, don't just disable them because disabling doesn't work like 80% of the time, you just have to uninstall it.

I will never understand why you disable the protection on a 3rd party firewall and the firewall still blocks IE/ any other web browser from getting online even after a restart.
 
Thanks for the suggestions...the laptop is spyware free, there are no residual Internet security or firewall programs, and unfortunately, they have system restore turned off. I am pretty much out of ideas on this one. Any other suggestions would be great. Also, I tried turning the windows firewall off as well, and there was no change.

Thanks again for any ideas!
 
Windows Firewall definitely won't cause that issue but there's got to be an extra piece of software somewhere running on the computer that is causing that problem... maybe check all of your processes and post the list of processes running on your computer?

Also, maybe try to install chrome, opera, or safari and see if those work.
 
Here's another suggestion to try:

1) on the Start menu, go to All Programs > Accessories

2) right-click on Command Prompt and choose Run As Administrator, so you get a full-strength command-line prompt.

3) run the command netsh winsock reset. There won't be any special output. Now reboot the system and see if your browsers can browse.


Any good?
 
Another one I've been recommending to run on a computer infected with types of spyware affecting the browser is "ComboFix."
 
I uploaded the log to http://hijackthis.de for an auto-analysis and one thing it highlighted was

O4 - HKLM\..\Run: [Monitor] "C:\Program Files\LeapFrog\LeapFrog Connect\Monitor.exe"

which it called a browser hijacker that needs to be fixed. Maybe try using HJT to fix that one and see if it helps.
 
mechBgon said:
I uploaded the log to http://hijackthis.de for an auto-analysis and one thing it highlighted was

O4 - HKLM\..\Run: [Monitor] "C:\Program Files\LeapFrog\LeapFrog Connect\Monitor.exe"

which it called a browser hijacker that needs to be fixed. Maybe try using HJT to fix that one and see if it helps.
Click to expand...

Yes, try HJT to fix it, if not, try running ComboFix and hopefully that will take care of the issue.
 
It turns out there were remnants of Norton Internet Security still floating around (Combofix told me it was running). I used the Norton removal tool to get rid of it and all is well!

Thanks to everyone for helping me on this one!
 
adam9977 said:
It turns out there were remnants of Norton Internet Security still floating around (Combofix told me it was running). I used the Norton removal tool to get rid of it and all is well!

Thanks to everyone for helping me on this one!
Click to expand...

Aha! Yeah, those things are tricky bastards. Glad that combofix caught it.
 
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