Ever since I updated Kaspersky Internet Security 2014 to Kaspersky Internet Security 2015, I keep getting error messages every time I do something as simple as doing a search on google.com or using a Java application on nasa.gov. Everything was fine with Kaspersky Internet Security 2014. Firefox keeps saying those sites use an invalid security certificate, which I know they don't. Typing the full address (e.g. Doesn't help. Delete all cookies for the site, clear your caches. Restart Firefox and try again 'The trouble with quotes on the internet is you never know if they are genuine'.Abraham Lincoln therube. The Java application is blocked on nasa.gov by Java Security for the same reason. I tried updating Java to Version 8 Update 25, which didn't help at all. Is this Windows 8.1's fault, Firefox's fault, or Kaspersky's fault? Hi, Thank you for visiting Microsoft Communities. ![]() I understand that you get an “invalid certificate” when using Fire fox. This problem is caused due to following reasons: Kaspersky blocking connections. Fire fox settings. Follow the methods below and check if it helps: This article will give you a detailed information about certificate errors: Method 1: Check with Internet Explorer Please check with internet explorer and see if you get the certificate error. If you get the certificate error follow method 2. Player unknown battleground for mac. If you do not get certificate error with internet explorer, post the query in Mozilla support forums Method 2: Check time, date and time zone settings Make sure the time date and time zone are set properly. It is very important to make sure the time date and time zone are set correctly. Mozilla support Forums: Please post your query in here if you have problems only with Mozilla fire fox. Please reply back and let us know if these instructions helped to resolve your issue so others may benefit.If you still need assistance, let us know and we will be glad to assist. This problem might be happening due to Kaspersky or another security program which was blocking HTTPS websites due to a certificate related issue. This untrusted connection issue might appear if you are using a 64-bit version of Mozilla Firefox along with Kaspersky security suite. Since Firefox 64-bit version is very new, there is no support for it yet in Kaspersky program. Mozilla Firefox For Mac Says This Connection Is Untrusted ErrorThat's why it might show that error message when you try to open HTTPS websites in Firefox 64-bit version. If you are also using Mozilla Firefox 64-bit version and Kaspersky antivirus or Internet security suite in your computer, you might also face this problem. If you face this problem, you can try following solutions: SOLUTION 1: Since 64-bit version of Firefox is not yet supported by Kaspersky, you can try to uninstall Firefox 64-bit and then install the regular 32-bit version of Firefox and your problem will be solved. SOLUTION 2: If you want to keep using 64-bit version of Firefox, then you'll need to manually install Kaspersky antivirus root certificate in Firefox to fix this issue. Follow these simple steps: • Open Firefox Preferences window and go to Advanced section. Now click on Certificates tab. Mozilla Firefox For Mac Says This Connection Is Untrusted Fix• Under Certificates tab, click on 'View Certificates' button. • It'll open Firefox Certificate Manager window. How to check who the administrator is for mac. In Authorities tab, click on Import button. It'll open a browse window to select the file containing CA certificate to import. • Now copy following path and paste it in the addressbar or file name text box of the browse window: C: ProgramData Kaspersky Lab AVP16.0.0 Data Cert • Now press Enter key and the browse window will open Cert folder. Now select '(fake)Kaspersky Anti-Virus Personal Root Certificate.cer' file and click on Open button. • Firefox will show a confirmation window, enable all 3 checkboxes present in the window such as Trust this CA to identify websites, email users and software developers. Now click on OK button to apply changes. Now try to open Google and other HTTPS websites and Firefox will open them fine without any problem. For detailed information please have a look at.
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