Do you get the same problem in IE and Chrome ?
CAUTION : This fix is only valid for this specific machine, using it on another may break your computer
Open notepad and copy/paste the text in the quotebox below into it:
CreateRestorePoint:
HKU\S-1-5-21-2322768907-1908304264-950937519-1001\...\Run: [Browser Extensions] => C:\Users\Nigel\AppData\Roaming\BrowserExtensions\BEHelper.exe [540656 2015-06-09] ()
ProxyEnable: [S-1-5-21-2322768907-1908304264-950937519-1001] => Internet Explorer proxy is enabled.
ProxyServer: [S-1-5-21-2322768907-1908304264-950937519-1001] => http=127.0.0.1:49726;https=127.0.0.1:49726
BHO: Browser Extensions -> {34A0D84B-CDDC-4EC4-AFDD-4F1DDE1D14E5} -> C:\Users\Nigel\AppData\Roaming\BrowserExtensions\Coupons64.dll [2015-06-09] ()
BHO-x32: No Name -> {9D974C8C-6D92-44FB-BEAF-B45A1C0CF17F} -> No File
Toolbar: HKLM - No Name - {318A227B-5E9F-45bd-8999-7F8F10CA4CF5} - No File
Toolbar: HKLM - No Name - {CC1A175A-E45B-41ED-A30C-C9B1D7A0C02F} - No File
Toolbar: HKU\.DEFAULT -> No Name - {8020143D-5926-4394-A04D-DD0B649DA121} - No File
Toolbar: HKU\S-1-5-21-2322768907-1908304264-950937519-1001 -> No Name - {8CB26F89-C950-4CC2-9100-69635A8E721D} - No File
DPF: HKLM-x32 {6A060448-60F9-11D5-A6CD-0002B31F7455}
CHR HKLM-x32\...\Chrome\Extension: [bmiabdepfhhiieiipmeecdmeljggmfee] -
C:\Users\Nigel\AppData\Roaming\BrowserExtensions
RemoveProxy:
EmptyTemp:
CMD: bitsadmin /reset /allusers
Save this as fixlist.txt, in the same location as FRST.exe
https://dl.dropboxusercontent.com/u/73555776/FRSTfix.JPG
Run FRST and press Fix
On completion a log will be generated please post that
THEN
Please download AdwCleaner by Xplode onto your desktop.
[*]Close all open programs and internet browsers.
[*]Double click on AdwCleaner.exe to run the tool.
[*]Click on Scan.
[*]After the scan is complete click on “Clean”
[*]Confirm each time with Ok.
[*]Your computer will be rebooted automatically. A text file will open after the restart.
[*]Please post the content of that logfile with your next answer.
[*]You can find the logfile at C:\AdwCleaner[S0].txt as well.