Hi, I'm Bonnie. I'm glad to answer for you. Computer gets infected with malware is really an annoying thing. To deal with such stubborn browser hijacker, you can reset your browser to default setting. I show you the detailed steps below. For IE Step1. Click Tools menu and then select Internet Options. Step2. Click Advanced tab and then click Reset button, For Firefox Step1. Click the menu button at the upper right corner and then click the help icon located in the lower right corner. Step2. Select Troubleshooting Information. Step3. Click Refresh Firefox. For Chrome Step1. Click the menu button at the upper right corner and then choose Settings from the list. Step2. Scroll down to the bottom and click Show advanced settings. Step3. Continue scrolling down the bottom and click Reset setting button. Besides, you still need to run your security program to scan your PC and check whether there are any suspicious programs in your computer. Good luck to you. Moderator EDIT: Following this advice will also reset all your browser preferences, bookmarked pages, browsing history, saved data, etc.