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Windows 7: Only FireFox (and a handful of other programs) can connect!

03 Jul 2013   #91
VinMahin

Windows 7 64 bit
 
 

Quote   Quote: Originally Posted by UsernameIssues View Post
Re-installing the OS is probably best/faster... sometimes, the desire to know what is wrong (and/or learn stuff) makes people spend days/weeks/months trying lots of "fixes". It is up to you if you want to try more things.

The tools that VistaKing has had you use generate some info in files, but I cannot always tell what command and switches were used to generate the output file. The file that you attached to post #81 seems to indicate that the computer has a problem performing NSLOOKUP operations; but the author of that minitoolbox app states:
Code:
DNS request timed out.
    timeout was 2 seconds.
Server:  UnKnown
Address:  192.168.1.254

DNS request timed out.
    timeout was 2 seconds.
DNS request timed out.
    timeout was 2 seconds.
DNS request timed out.
    timeout was 2 seconds.
DNS request timed out.
    timeout was 2 seconds.
That output quoted above appears to be from a failed NSLOOKUP query.

That same file from post #81 shows a successful ping to yahoo.com. I would interpret that to mean that DNS is working. The computer was able to ask a DNS server what the IP address is for yahoo.com. And you have manually pinged websites that showed DNS to be working.

You might try this tool:
I receive the message that my ESET installation ended prematurely - ESET Knowledgebase
It is meant to repair a long list of stuff that infections can damage.

And while I've read every post in this thread a few days back, I do not recall everything that you have tried. Have you tried surfing to websites using IE while in the safe mode with networking.

In your original post, I seem to recall that you said something like "running an sfc scan returned no results". Hopefully, the SFC scan did return results and those results were that there were no integrity violations found.

You might also want to make a new user profile and see if you can surf normally with IE from there.

And you might want to try a clean boot:
Troubleshoot Application Conflicts by Performing a Clean Startup

Mind if I ask why you have National Instruments software on this computer? Is this computer on a university network? The 128 IP address mentioned in post 19 seems to be assigned to a university.
Thank you kindly for your input, UsernameIssues (lol!). I can't believe I hadn't booted into safe mode earlier, seems like an obvious first step. I did this just now, however, and there were no changes. Still couldn't connect using IE or Chrome while FireFox still worked.
I did another sfc scan just to be sure, and yes, there are no integrity violations. Pardon the mistake.
Trying to use ESET failed. I installed the software but the setup files cannot connect to the internet and therefore cannot install, much like java, flash and Steam cannot be updated.
National Instruments was installed for class purposes. I used the Circuit Design software for an electrical class. I haven't used it since.
Although I am not a careless user, I have come to believe that this is indeed an infection. Lately, websites like Facebook and YouTube have been showing ads that I've never seen before. I've been getting more pop-ups and many FireFox addons aren't working anymore.
I don't know how this could've gotten so bad under my constant use. I ran several virus scans and deleted or otherwise cleaned every threat.
I may have been doing some troubleshooting at school, which might be why post 19 has a 128 IP address. My home address is different (begins in 192).
I continue to be at a loss. I welcome and appreciate any further help
Thank you all =)


My System SpecsSystem Spec
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03 Jul 2013   #92
UsernameIssues

W7 Pro SP1 64bit
 
 

Thanks for the feedback on the safe mode.

Have you tried the ESET tool yet?

Have you tried the clean boot?

Have you tried a new user profile?

I'm no security expert. I've had not training in that area - but I've clean quite a few computers over the years. There are several infections that can hide from normal scanners and even specialized ones. I would suggest scanning your computer using WDO and a USB stick (or CD).
What is Windows Defender Offline?

Offline scanners (like WDO, Kaspershy's and others) can check the hard drive while the infection is not active. It would be best if you could download WDO from a clean computer - but I've never seen WDO get infected even when it is downloaded from an infected computer. (But there is always a first time :-)

I use the National Instruments software quite a bit - which is why I asked about it. It should not be causing a problem, but I would uninstall all aspects of it since it has a lot of junk that runs all of the time. In fact, go ahead and uninstall everything that you don't use regularly. Even uninstall all security related software (antivirus apps and scanners like Malwarebytes). Install Microsoft's Security Essentials and if need be - update it via this file here.

After you have rarely used software uninstalled - please try that clean boot tutorial.

I'm really curious as to what could cause NSLOOKUP to fail and yet DNS works. We may never know if the automated tools (like the ESET one that I pointed you to) fixes the problem(s). I do understand if you want to just start with a fresh W7 install instead of the seemingly endless attempts at fixing your computer.
My System SpecsSystem Spec
03 Jul 2013   #93
UsernameIssues

W7 Pro SP1 64bit
 
 

Quote   Quote: Originally Posted by VinMahin View Post
~~~
I may have been doing some troubleshooting at school, which might be why post 19 has a 128 IP address. My home address is different (begins in 192).
~~~
The 128 IP address was (is?) a proxy - which is typical of large networks like schools and large companies. All (or most) traffic to/from the internet passes thru those proxies (where things can be checked and rules enforced).

You could have a 192 IP address assigned to the computer while at school too. That has nothing to do with using a proxy. The proxy settings that you removed from the registry during earlier posts were fine (I would have removed then too just to be sure). Those proxy IP addresses just sit there until the next time that you need them. When you ask IE to use a proxy, it would have started to use that proxy IP address again.

As a side note - I learned something while I spent hours pouring over this thread a few days ago (well actually, I learned more than one thing). I learned that IE10 gives better info if it cannot connect that does IE9. If you tell IE10 to use a wrong proxy IP, it should tell you that the proxy is not responding. IE9 just tells you that it cannot connect - but not why.

The company that I work for is huge; it has lots of computers that act as proxies. We use a couple of URLs in out proxy settings. One URL will resolve to one of the many IP addresses of the many servers that act as our proxies. The other URL does the same, but connects us thru an older proxy system. I keep Firefox set to one proxy and IE set to another proxy. The proxies currently have different rule sets and websites that are blocked via one proxy system are sometimes accessible via the older proxy servers. (i.e. for some reason, the new proxy system blocked AutoIt's website - I've since gotten IT to unblock it.)

The reason why I bored you with that info about proxies is - nothing I could do would put Firefox into the state that your Firefox is in. I ran some of the same tools that VistaKing had you run (only I used a virtual machine) and I never could get Firefox to report its proxy settings like your report showed. I must not have tried every possible combo - or something is unusual about your Firefox setup.
My System SpecsSystem Spec
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03 Jul 2013   #94
VistaKing

Windows 7 Ultimate 32-Bit & Windows 7 Ultimate 64-Bit
 
 

We could try a reset on Firefox and if that doesn't help do a reinstall of Firefox but save the bookmarks first .
My System SpecsSystem Spec
03 Jul 2013   #95
VinMahin

Windows 7 64 bit
 
 

I'm interested in sticking it out and finding the root for all these problems.
I've tried using another user profile after a clean boot, but no changes were found.
As for ESET and WDO, I cannot run those programs because they need the internet in order to be installed. For example, when installing WDO I get an error message which asks me to ensure I'm connected to the internet before trying again (error code 0002-80072EFD). I will try installing it onto my flash drive using another computer when I get home tonight.
Finally, I am hesitant to change/reset the Firefox settings as it is the only browser that works at the moment. If I lose it I will be in a worse situation than I am now, since I use this laptop for school nearly every day.
If you insist I try, I will, as long as we can be confident that Firefox will work again.
I've uninstalled quite a bit of software and I will continue to do so now.
I found the information about proxies in your workplace more interesting than boring, UsernameIssues. =)
Again, thank you all for your support in this matter =)
My System SpecsSystem Spec
03 Jul 2013   #96
VistaKing

Windows 7 Ultimate 32-Bit & Windows 7 Ultimate 64-Bit
 
 

At home you don't need to bypass any firewalls . In schools and Enterprises you for security reasons .

Regarding Firefox resetting it resets it to default settings .

If you want to reset . Take a look at the link below

Use the Troubleshooting Information page to help fix Firefox issues | Firefox Help
My System SpecsSystem Spec
03 Jul 2013   #97
UsernameIssues

W7 Pro SP1 64bit
 
 

Thanks for the feedback about testing with another user - that tells us a lot about. The issue is system wide, so nothing in the USER registry entries matter. (I suppose something could have changed the default user settings, that could cause a problem for each new user profile.)

I'm not worried about Firefox the settings on Firefox. The settings within Firefox should not impact the rest of the system. The settings within Firefox are telling it not to use a proxy - which is correct for your home.

Quote   Quote: Originally Posted by VinMahin View Post
~~~~
As for ESET and WDO, I cannot run those programs because they need the internet in order to be installed.
~~~~
I had hoped that WDO would update. I wonder why they did not hard code an IP into it for updates when no proxy is involved and the computer has some issues left. Hmmm.

As for ESET - I'm not suggesting that you install the ESET antivirus software, I was wanting you to try a single file repair utility located here:
I receive the message that my ESET installation ended prematurely - ESET Knowledgebase

The file is in II.1 - here is a direct line to the EXE:
http://kb.eset.com/library/ESET/KB%2...icesRepair.exe

That EXE is self contained and does not require any updates or connection to the internet.
My System SpecsSystem Spec
05 Jul 2013   #98
VinMahin

Windows 7 64 bit
 
 

Sorry, I've been busy. I will try those suggestions out soon.
My continued thanks to you all =)
My System SpecsSystem Spec
05 Jul 2013   #99
UsernameIssues

W7 Pro SP1 64bit
 
 

We understand about being busy --- silly real life :-)

I am really curious about what the ESET tool will do here.
My System SpecsSystem Spec
09 Jul 2013   #100
VinMahin

Windows 7 64 bit
 
 

Hello!
I ran the ESET tool after downloading from the direct link you posted to the EXE file.
I've attached the SvcRepair.log, which was in the folder "CC Support" that appeared after rebooting. Also in that folder is another folder "Tools" which has a lot of files and folder within in. Is there anything else you'd like me to attach?
The problem continues to thwart us, as chrome, IE, Steam, etc... do not connect.


Attached Files
File Type: log SvcRepair.log (10.9 KB, 3 views)
My System SpecsSystem Spec
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 Only FireFox (and a handful of other programs) can connect!




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