Hello. Can you advise me where to start looking for a mistake why not start firefox. When run in a terminal am getting 1485791758698 addons.manager ERROR Exception loading default provider "resource://gre/modules/addons/XPIProvider.jsm": [Exception... "Component returned failure code: 0x80570016 (NS_ERROR_XPC_GS_RETURNED_FAILURE) [nsIJSCID.getService]" nsresult: "0x80570016 (NS_ERROR_XPC_GS_RETURNED_FAILURE)" location: "JS frame :: resource://gre/modules/addons/XPIProvider.jsm :: <TOP_LEVEL> :: line 1769" data: no] Stack trace: resource://gre/modules/addons/XPIProvider.jsm:1769 < AddonManagerInternal.startup()@resource://gre/modules/AddonManager.jsm:925 < this.AddonManagerPrivate.startup()@resource://gre/modules/AddonManager.jsm:3016 < amManager.prototype.observe()@resource://gre/components/addonManager.js:71 Assertion failure: NS_IsMainThread(), at /usr/ports/opt-arm/firefox/work/src/firefox-51.0/security/manager/ssl/nsNSSComponent.cpp:259 Segmentation fault nss version 3.28.1 machine tegra jetson tk-1 Regards, Milan -- ---------------------------------------------------------------------------- Remember, no question is too stupid and no problem too small--We've all been beginners