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I'm not seeing anything from the HijackThis log which may be producing the symptoms you described. There's an entry that requires fixing but it's not known to disrupt internet connectivity. I'm inclined to believe that Norton's Firewall is configured incorrectly.
This file looks suspicious -
C:\program files\yahoo!\qttask.exe
Please visit this website -
http://virusscan.jotti.org
Submit the file for a comprehensive scan & then post the results back here.
Have HijackThis fix this entry:
O16 - DPF: {8FCDF9D9-A28B-480F-8C3D-581F119A8AB8} (MediaGatewayX) - http://static.zangocash.com/cab/Zango/ie/bridge-c18.cab
Go to Start> Run - type
cleanmgr (this starts Windows DiskCleanup)
- Select Drive C: & click the 'OK' button
- Select the following options:
- Temporary Internet Files
- Recycle Bin
- Temporary Files
- Click the 'OK' button
Perform an online scan with Internet Explorer at
Kaspersky Online Scanner
Answer Yes, when prompted to install an ActiveX component.
- The program will then begin downloading the latest definition files.
- Once the files have been downloaded click on NEXT
- Locate the Scan Settings button & configure to:
- Scan using the following Anti-Virus database:
- Scan Options:
- Scan Archives
- Scan Mail Bases
- Click OK & have it scan My Computer
- Once the scan is complete, it will display if your system has been infected. It does not provide an option to clean/disinfect. We only require a report from it.
- Click the Save as Text button to save the file to your desktop so that you may post it in your next reply
* Turn off the real time scanner of any existing antivirus program while performing the online scan
I would also require a fresh HJT log.
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