I have K7 Total Security installed.Check your machine for malware, chances are that some thing is hijacking your browser.
I have K7 Total Security installed.
Still I checked the PC by installing Malewarebytes Ant-malware and did a full scan.
It successfully quarantined( or deleted) trojan relating to proxy server (browser hijacker).
I also installed Adwcleaner tool and ran a full scan.
But the problem persists.
In that case the backed up data might contain the malware for hijacked browser. So what's the use?The only way to get rid of the browser hijacker is to format the C:/ Drive and if need be all other drives also. In case you do this create a backup of your data before formatting.