Multiple serious vulnerabilities have been found in Google Chrome prior to 55.0.2883.75. Malicious users can exploit these vulnerabilities to bypass security restrictions, make code injections and possibly cause denial of service, obtain sensitive information.
Google Chrome earlier than 55.0.2883.75 (all branches)
Update to the latest version. File with name old_chrome can be still detected after update. It caused by Google Chrome update policy which does not remove old versions when installing updates. Try to contact vendor for further delete instructions or ignore such kind of alerts at your own risk.
Google Chrome download page