Windows 7: Google Chrome Keeps Crashing

Hi I installed google chrome a while ago and it was fine until it started crashing all the time yesterday.
I uninstalled it and reinstalled it and it keeps crashing.
Also When i searchon google it redirects me to other pages.
Ive used allsorts to try and find whats redirecting me i scanned with

• malware bytes
• Avast
• Norton
• Kaspersky

And they found nothing

Please can you help.


Thanks