Not a problem, we live and learn. If you are after a free programme then ask here someone may be able to help 
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]
:OTL
SRV - File not found [Auto | Stopped] -- C:\Program Files\Common Files\AVG Secure Search\vToolbarUpdater\15.4.0\ToolbarUpdater.exe -- (vToolbarUpdater15.4.0)
SRV - [2013/02/05 16:48:00 | 000,235,216 | ---- | M] (McAfee, Inc.) [On_Demand | Stopped] -- C:\Program Files\McAfee Security Scan\3.0.318\McCHSvc.exe -- (McComponentHostService)
DRV - [2013/08/02 21:45:29 | 000,037,664 | ---- | M] (AVG Technologies) [Kernel | System | Running] -- C:\WINDOWS\system32\drivers\avgtpx86.sys -- (avgtp)
[2013/08/03 09:30:07 | 000,000,000 | ---D | C] -- C:\Avenger
[2013/08/02 21:46:32 | 000,037,664 | ---- | C] (AVG Technologies) -- C:\WINDOWS\System32\drivers\avgtpx86.sys
[2013/08/02 21:46:09 | 000,003,717 | ---- | C] () -- C:\Program Files\Mozilla Firefoxavg-secure-search.xml
[2013/08/03 10:38:09 | 000,000,000 | ---D | M] -- C:\Documents and Settings\All Users\Application Data\Bitmeter2
[2013/01/05 20:52:23 | 000,000,000 | ---D | M] -- C:\Documents and Settings\Andrew\Application Data\Bitmeter2
[2013/01/05 20:53:19 | 000,000,000 | ---D | M] -- C:\Documents and Settings\Guest\Application Data\AskToolbar
[2013/01/05 20:53:19 | 000,000,000 | ---D | M] -- C:\Documents and Settings\Guest\Application Data\BitMeter2
[2013/01/05 20:53:17 | 000,000,000 | ---D | M] -- C:\Documents and Settings\Emma\Application Data\BitMeter2
:Files
C:\Program Files\Common Files\AVG Secure Search
C:\Program Files\McAfee Security Scan
:Commands
[resethosts]
[emptytemp]
[Reboot]
[*]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.