# I can't authenticate on charts **URL:** \ **Category:** Desktop\ **Created:** [January 18, 2024, 9:34am UTC](https://forum.navigraph.com/t/i-cant-authenticate-on-charts/14532 "2024-01-18T09:34:28Z")\ **Posts on this page:** 1\ **Showing post:** 7
**Author:** ![skysail](https://dub1.discourse-cdn.com/flex013/user_avatar/forum.navigraph.com/skysail/32/304_2.png) [@skysail](https://forum.navigraph.com/u/skysail)\ **Post date:** [January 24, 2024, 7:10pm UTC](https://forum.navigraph.com/t/i-cant-authenticate-on-charts/14532/7 "2024-01-24T19:10:50Z")
Ah! That could very well be the reason. Kaspersky has proven to cause problems in the past. Here is another ongoing case: > [@Randomly losing my Navigraph subscription login](https://forum.navigraph.com/t/randomly-losing-my-navigraph-subscription-login/13687/20): > > Hello! Are you still having issues? Kaspersky does not sound like something I’d like to have installed on my computer (see allegations [here](https://en.wikipedia.org/wiki/Kaspersky_bans_and_allegations_of_Russian_government_ties)), but either way, there is a possibility that they installed a self-signed certificate or something of similar nature on your computer. That is quite common for these “internet security” apps, and it will inevitably cause problems. If you are still having these issues, please try to uninstall Kaspersky and see if that makes any difference! Not sure that t… And there are more cases like these… it is even mentioned in my first post: > [@Navigraph Charts will not open](https://forum.navigraph.com/t/navigraph-charts-will-not-open/7256/4): > > - Your anti-virus is intercepting all traffic to scan for malware > - Your anti-virus/network security software has installed a self-signed certificate to encrypt insecure connections Please uninstall or disable it _completely_, then try again! I am quite sure that this is where the issue lies! --- _[View the full topic](https://forum.navigraph.com/t/i-cant-authenticate-on-charts/14532)._