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I don't understand the below errors

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Hi Everyone

I'm using the latest FF 87.0 64bit in Win 10 Home. I launched FF to a blank tab only, and see the following messages in the console listed below, too advance for me to understand. Also when I add uBlock Origin, it blocks the telemetry data, see the errors below also. Even if I allow access to uBlock, it'll still block telemetry data. For the sake of security, I've changed my browser signature info to 1234 in all the strings below.

What do they mean? Do I need to reset my FF?


Fire Fox Console Errors for a blank tab --------------------------

17:03:21.944 Unknown category for SetEventRecordingEnabled: fxmonitor 17:03:22.602 Error: Can't find profile directory. XULStore.jsm:66:15

   load resource://gre/modules/XULStore.jsm:66
   XULStore resource://gre/modules/XULStore.jsm:24

17:03:22.716 ExtensionError: No such native application com.lastpass.nplastpass ExtensionUtils.jsm:58:5

   ExtensionError resource://gre/modules/ExtensionUtils.jsm:58
   startupPromise resource://gre/modules/NativeMessaging.jsm:83

17:03:22.719 this.ports.get(...) is undefined 4 ExtensionParent.jsm:364

   recvPortMessage resource://gre/modules/ExtensionParent.jsm:364
   recvPortMessage self-hosted:1173
   _recv resource://gre/modules/ConduitsChild.jsm:78
   receiveMessage resource://gre/modules/ConduitsParent.jsm:371

17:03:22.918 extension is undefined 4 ExtensionParent.jsm:321

   normalizeArgs resource://gre/modules/ExtensionParent.jsm:321
   recvRuntimeMessage resource://gre/modules/ExtensionParent.jsm:330
   recvRuntimeMessage self-hosted:1173
   _recv resource://gre/modules/ConduitsChild.jsm:78
   receiveMessage resource://gre/modules/ConduitsParent.jsm:371

17:03:49.519 this.window.gBrowserInit is undefined 2 ext-browser.js:1135

   get activeTab chrome://browser/content/parent/ext-browser.js:1135
   candidates chrome://extensions/content/parent/ext-tabs-base.js:2062
   next self-hosted:1428
   query chrome://extensions/content/parent/ext-tabs-base.js:2081
   next self-hosted:1428
   from self-hosted:486
   query chrome://browser/content/parent/ext-tabs.js:936
   query self-hosted:1173
   result resource://gre/modules/ExtensionParent.jsm:956
   withPendingBrowser resource://gre/modules/ExtensionParent.jsm:489
   result resource://gre/modules/ExtensionParent.jsm:956
   callAndLog resource://gre/modules/ExtensionParent.jsm:918
   recvAPICall resource://gre/modules/ExtensionParent.jsm:955
   AsyncFunctionNext self-hosted:690

17:03:49.523 Unchecked lastError value: Error: An unexpected error occurred lp-handler.js:1

   _cwonFocused moz-extension://1234f1234-2345-1234-1234-12345a04d1234/scripts/background/app/lp-handler.js:1

Ublock error ----------------------------------------------------

uBlock Origin has prevented the following page from loading:

Because of the following filter:


Found in: Peter Lowe’s Ad and tracking server list

Disable strict blocking for

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