Website Security issue some try to hack your website may be server issue it both problem Malwar Issue
I want to tell you how malware can damage your operating system or life: - it can causes BSOD or damaged files; - can cause changed settings from internet options to hijackers causing your web browsers to act up; - restricted access to particular programs like group policies which can be found in windows registry HKEY LOCAL MACHINE\Software\Microsoft\Windows\CurrentVerison \Polices; - it can damage personal damage. For example, demage user data and identity theft.
The most common cause for malware issues is URL injection from the server. When google find irrelevant and unavaialable URL in your site, it shows red screen at the time of opening of the site, that will make you loss of potential user. So to get rid from it, continuous run Anti Malware programs in the CPanel of your website.