Since you are having browser trouble try downloading programs in Safe Mode with Networking(press f8 rapidly while booting and select safe mode with networking)
Download and run
The Norman Malware Cleaner
http://download.norman.no/public/Norman_Malware_Cleaner.exe
and
Download, update and run
The free versions can detect and remove
Malwarebytes AntiMalware
http://www.download.com/Malwarebytes-Anti-Malware/3000-8022_4-10804572.html
and
SuperAntiSpyware
http://www.superantispyware.com/
Since you are having browser trouble try downloading programs in Safe Mode with Networking(press f8 rapidly while booting and select safe mode with networking)
Download and run
The Norman Malware Cleaner
http://download.norman.no/public/Norman_Malware_Cleaner.exe
and
Download, update and run
The free versions can detect and remove
Malwarebytes AntiMalware
http://www.download.com/Malwarebytes-Anti-Malware/3000-8022_4-10804572.html
and
SuperAntiSpyware
http://www.superantispyware.com/