The most affective redirect fix I've seen doesn't require a scan or download fix at all.
In the folder options "view" tab, place a dot next to "Show hidden files and folders". Close folder options.
Next, navigate to C:\Windows\system32\drivers\etc. Open the "Hosts" file in notepad. At the bottom, look for
There should be no other data below this line. It should look like this, or something similar:
Delete the data below that line and save and exit notepad. Restart your browser and try again.