Click Here and download Killbox and save it to your desktop.
Double-click on Killbox.exe to run it.
Put a tick by
Delete on Reboot.
In the "Full Path of File to Delete" box, copy and paste the following:
C:\config.sy_
Click on the button that has the red circle with the X in the middle after you enter the file name.
It will ask for confimation to delete the file.
Click Yes.
It will ask if you want to reboot now,
Click Yes.
Note: It is possible that Killbox will tell you that the file does not exist.
If your computer does not restart automatically then please restart it manually.
If you get an error message "PendingFileRenameOperations Registry Data has been Removed by External Process!" message then just restart manually.
After the restart run this:
http://windowsxp.mvps.org/IEFIX.htm and let me know if that helps with the web browsing .