the error you have there is caused by mywebsearch bar.
you can get this error removed by installing and using a spyware removal program.
heres the download page of the program, it is free - based on donations and volunteer work.
click on the link and then download it from one of the links shown, it doesn't matter which one.
ones you have downloaded the program, you need to install it.
-Doubleclick on the downloaded file (spybotsd160.exe) Run it
-in the setup you basicly only need to press next next next next blabla
in the page which says select additional taks.. Uncheck the two bottom
permanent protection programs, you don't need these we just want the
error to be removed.
-click next and continue with the setup
-the program may download updates and then install
-run the program
The program will ask about temporary files, click yes
Ones the program has fully started and the spybot sd wizard pops up in the top right corner.
we don't really need a registry backup, so just press next
then the program asks do we want to search for updates? yes that is usefull and I recommend you click on it.
-click exit on the updater
-click next on the wizard
now it asks if you want to immunize this system from future errors click on it and let it run
it may warn you that the browser would need to be closed, you can print
out this page and then continue or just icnore the warning.
- I had to close the page, got stuck in the middle.
ones the immunization is complete, click next on the wizard
now the wizard is complete click on start using the program.
Ok, now we can get to fixing the problem itself click on Search & Destroy the top icon in the program
now click on check for problems - the program is now checking the system for harmfull programs includeing the one you have.
Ones the search is complete click on fix selected errors, or somethign to that direction it will show at the top where it now says stop check.
Thats it, the problem of yours is fixed ones the program is done and errors are cleaned.
let me know if you need furher assistance