Many vendors are regularly updating and patching for security holes. Make sure that installed applications, especially Adobe Acrobat, Adobe Flash, and Java are at their If you update manually, be sure to update as soon as possibleĪfter being notified of available updates.

Make sure that Windows Automatic Updates are set to at least notify, but the preferred setting is to download and install automatically. On Vista and Windows 7 make sure that User Account Control (UAC) ON and not running with elevated privileges. Make sure that IE Internet Security settings are at least set to medium-high (default). In Internet Explorer 8 or 9, use the SmartScreen Filter. Make sure Internet Explorer is at version 8 or 9 and updated with all patches. Make sure that all important/critical updates, including service packs for the operating system and programs are installed from Microsoft Update (Windows Update). Make sure that the Windows Firewall is enabled. The MSRT is designed to only detect a subset of what MSE can detect, so it is immaterial as long as MSE is up to date.īesides MSE, the following recommendations will assist in protecting the PC from infection:

I am confident in MSE's ability to catch infections, but then I don't rely on it solely. I don't believe that the warnings are evidence of malware. Although it could well be malware.Ĭertificate issues can be a problem with the local certificate store, the remote server, the date/time on the PC, and probably a few other reasons. The warning is coming up due to a certificate issue, not because it might be malware.

Avast server certificate revoke