Would also suggest running some malware/virus scans, just in case:
Firstly, run a scan with Malwarebytes Antimalware (the Free version is fine, you don't need to activate the Pro trial). Scan with it, delete whatever it finds, reboot and post the log here. Download it from here: https://www.malwarebytes.org/mwb-download/
Secondly, run a scan with AdwCleaner. Same as above, scan with it, delete what it finds, post the log file here. Download from here: AdwCleaner Download
Thirdly, run a scan with HiJackThis. Run it as Admin, pick the "scan and generate log" option, and then post the logfile here. Do NOT remove ANYTHING unless told to do so, as removing the wrong entry can damage your system. Download it from here: HiJackThis | SourceForge.net
Hello. Thanks for responding. I'll get back to you..when I have time. The particular browser was internet explorer..but I 'now' also was successful in getting google crome.