* '''Cookies ''' Select '''Privacy.''' Under '''History,''' select Firefox will '''Use Custom Settings.''' Press the button on the right side called '''Show Cookies.''' Use the search bar to look for the site. Type '''about:preferences''' in the address bar. * Remove Cookies '''''Warning ! ! '' This will log you out of sites you're logged in to.''' Check the time / date / time zone settings. This Connection is Untrusted is sometimes caused because theĬomputer system clock is wrong. Look for and turn off Use Hardware Acceleration. Type about:preferences#advanced in the address bar. Across from Cached Web Content, Press Clear Now. Press the button on the right side called Show Cookies. Under History, select Firefox will Use Custom Settings. Type about:preferences in the address bar. Warning ! ! This will log you out of sites you're logged in to. Many site issues can be caused by corrupt cookies or cache. Read this answer in context 👍 0 All Replies (4)

You can also do a check for a rootkit infection with TDSSKiller. Make sure that you update each program to get the latest version of their databases before doing a scan.

Please scan with all programs because each program detects different malware. Do a malware check with several malware scanning programs on the Windows computer.

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