# Navigraph App Throwing JavaScript Erorr **URL:** https://forum.navigraph.com/t/navigraph-app-throwing-javascript-erorr/6291 **Category:** Desktop **Created:** [October 9, 2021, 4:56pm UTC](https://forum.navigraph.com/t/navigraph-app-throwing-javascript-erorr/6291 "2021-10-09T16:56:44Z") **Posts on this page:** 1 **Showing post:** 23
### 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: [February 8, 2022, 5:43pm UTC](https://forum.navigraph.com/t/navigraph-app-throwing-javascript-erorr/6291/23 "2022-02-08T17:43:39Z")
Hello again Ciprian! I thought I’d let you know that there has been another case of this issue since this topic was created and that we were able to pin that particular case down. Charts was not working, while Simlink was fine. In the end, it _was_ network/antivirus related. Please have a look at the troubleshooting instructions provided in the below topic - perhaps the accepted solution could even apply to you? > [@Navigraph Charts will not open](https://forum.navigraph.com/t/navigraph-charts-will-not-open/7256/4): > > Hello Jochen! Welcome to the forum and sorry for the inconvenience. Upon further investigation, we have established some probable causes of this issue. Let’s go through them one by one: Network stability Issue The network is unstable. Sub-second disconnects that are not apparent when browsing cause critical communications with our servers to outright fail because the application is unable to reach the internet, alternatively being aborted “mid-flight”. Proposed solution Try to move to a m… I’m sorry if it seemed like I was just throwing things out there, I did not mean to insult you in any way. If neither the solution nor the troubleshooting steps seem to work in your case, please advise as we now have a few tricks up our sleeve to determine the exact cause of these issues! Kind Regards, Malte --- _[View the full topic](https://forum.navigraph.com/t/navigraph-app-throwing-javascript-erorr/6291)._