Did you seek advice/assistance from your antivirus provider (Avira, AVG, Avast, McAfee, Norton, Superantispyware, etc)?
Any recent browser extensions that need to be disabled/removed that might be causing browser redirects?
Suggest you try all of the steps in this free multi-step removal guide from Malwaretips.com to include resetting your browsers: https://malwaretips.com/blogs/remove-browser-redirect-virus/
Same computer as in https://answers.microsoft.com/en-us/windows/forum/windows8_1-performance/keep-getting-bsod-system-service-exception/e12ea4e5-1d8d-4171-bd2a-ee67907234b6????
Same computer as in https://answers.microsoft.com/en-us/windows/forum/windows8_1-performance/bsod-netiosys-system-error-exception/57bf4288-f872-4e41-a15f-c5cb9caaebb8???
Same computer as in https://answers.microsoft.com/en-us/windows/forum/windows8_1-performance/sciter-engine-not-found/95e0a943-4c62-4a3f-b20c-26d534bb181f???
A moderator may or may not want to “merge” all these threads…
Alternatively, you probably need a reset!
See https://support.microsoft.com/en-us/help/17085/windows-8-restore-refresh-reset-pc Be sure your data/pics/music/etc is backed up.
Or
You can obtain “Premium Support” from MS at http://answerdesk.microsoftstore.com
Or
You may want to confer with a professional computer technician.
Regards…
http://blog.emsisoft.com/2015/01/27/top-10-ways-pups-sneak-onto-your-computer-and-how-to-avoid-them/