OK two things to do… First we will flush the DNS and reset the TCPIP then confirm that no proxy settings are set
Warning This fix is only relevant for this system and no other, using on another computer may cause problems
Be advised that when the fix commences it will shut down all running processes and you may lose the desktop and icons, they will return on reboot
Run OTL
[*]Under the Custom Scans/Fixes box at the bottom, paste in the following
https://dl.dropbox.com/u/73555776/OTL_Fix.GIF
:Commands
[CREATERESTOREPOINT]
:Files
netsh advfirewall reset /c
netsh int ip reset c:\resetlog.txt /c
ipconfig /flushdns /c
ipconfig /release /c
ipconfig /renew /c
:Commands
[resethosts]
[*]Then click the Run Fix button at the top
[*]Let the program run unhindered, reboot the PC when it is done
[*]Open OTL again and click the Quick Scan button. Post the log it produces in your next reply.
THEN
Go to control panel > internet option > connections > LAN settings
And ensure that the proxy box is not ticked and automatically detect settings is ticked
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Attaching the log from the fix, log from the quick scan.
After doing a restart and logging in as Karen, I get a popup message in the Sys Tray saying: Failed to connect to a windows service - Windows could not connect to the System Event Notification Service service. This problem prevents standard users from logging on to the system. As an administrative user, you can review the System Event Log for details about why the service didn’t respond.
I put a tick for Automatically Detect Settings, but nothing happens when I click OK. It doesn’t save my changes.
Before we run this repair programme can you confirm that the laptop wireless is turned on 
OK lets try a tool that I have used a while back that has now been updated
Go to Petrichorpost and download Complete Internet Repair
Use the highlighted button to get it
https://dl.dropboxusercontent.com/u/73555776/inetdld.JPG
Once on the desktop unzip the folder :
Double click the file
Select extract all to desktop
Open that folder
Run CIntRep and the following will appear
https://dl.dropboxusercontent.com/u/73555776/Int%20repair.JPG
Select all elements as shown and press Go
On completion reboot and try the net again
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I did a system restore on her laptop and tried to clean up the old installations, folders and registry. Since it’s in a usable state, she requested to leave it as-is. Thank you for your time and effort. You have certainly cleaned my wife’s laptop, my desktop PC and all our removable drives. However, I have one last question. How can I make MCShield to do auto-startup? I’ve added it to registry for both Local Machine and Current User registry entries, as well as adding it to the startup folder. I can’t figure out what I’m missing. The program runs great and I want to continue using it.
The only thing you need to do is tick the start with windows on the MCShield GUI