if you get redirected then you got spyware / malware on your pc.. you should donwload or run Malwarebytes / superantispyware to get rid of the issue.
these are located as follows :
Malwarebytes :
https://www.malwarebytes.com/
SuperAntiSpyware Remover :
https://www.superantispyware.com/
The Next I would recommend an Antivirus such as PanadaDome /AVG /Avira ectra.... Your choice...
Then to repair registery Issues I'd recommend CCLeaner.. You can get CCLeaner from the following link below :