Browser start can open the web page, when the first time to add a page will appear red error warning 
, again (the second time) to add a page to normal
截圖 2023-03-26 21.19.07.png
This is the screenshot when the error occurs
Hello! Some relevant discussion in Forum thread: Error warning shows up randomly although Tor Browser seems to be working fine and is connected to Tor
… and this bug report: Improve error recovery from the red screen of death (#32328) · Issues · The Tor Project / Applications / Tor Browser · GitLab
@Gozo, can you please check in your Tor logs if Tor is bootstrapping successfully? To view your Tor logs navigate to the hamburger menu (“≡”), then click on “Settings”, and finally on “Connection” in the side bar. At the bottom of the page, next to the “View the Tor logs” text, click the button “View Logs…”.
The following logs were exported after a red warning appeared.
2023-03-27 11:51:29.354 [NOTICE] New control connection opened from 127.0.0.1.
2023-03-27 11:51:29.355 [NOTICE] New control connection opened from 127.0.0.1.
2023-03-27 11:51:29.355 [NOTICE] New control connection opened from 127.0.0.1.
2023-03-27 11:51:29.360 [NOTICE] DisableNetwork is set. Tor will not make or accept non-control network connections. Shutting down all existing connections.
2023-03-27 11:51:29.373 [NOTICE] Opening Socks listener on 127.0.0.1:9150
2023-03-27 11:51:29.373 [NOTICE] Opened Socks listener connection (ready) on 127.0.0.1:9150
2023-03-27 11:51:30.360 [NOTICE] Bootstrapped 5% (conn): Connecting to a relay
2023-03-27 11:51:30.798 [NOTICE] Bootstrapped 10% (conn_done): Connected to a relay
2023-03-27 11:51:32.235 [NOTICE] Bootstrapped 14% (handshake): Handshaking with a relay
2023-03-27 11:51:33.461 [NOTICE] Bootstrapped 15% (handshake_done): Handshake with a relay done
2023-03-27 11:51:33.462 [NOTICE] Bootstrapped 75% (enough_dirinfo): Loaded enough directory info to build circuits
2023-03-27 11:51:33.464 [NOTICE] Bootstrapped 90% (ap_handshake_done): Handshake finished with a relay to build circuits
2023-03-27 11:51:33.464 [NOTICE] Bootstrapped 95% (circuit_create): Establishing a Tor circuit
2023-03-27 11:51:34.486 [NOTICE] Guard spicyavocado ($6CBA90E31188A65E2B6AC1EE8412E8DE571ECAD6) is failing more circuits than usual. Most likely this means the Tor network is overloaded. Success counts are 91/154. Use counts are 73/81. 149 circuits completed, 3 were unusable, 55 collapsed, and 3 timed out. For reference, your timeout cutoff is 60 seconds.
2023-03-27 11:51:36.249 [NOTICE] Bootstrapped 100% (done): Done
2023-03-27 11:51:36.326 [NOTICE] New control connection opened from 127.0.0.1.
2023-03-27 11:51:37.518 [NOTICE] Guard Piratenpartei02 ($856B7EFB7E09D02A29DD2FF024B7E1EFE21FE9EB) is failing more circuits than usual. Most likely this means the Tor network is overloaded. Success counts are 129/215. Use counts are 85/90. 209 circuits completed, 2 were unusable, 78 collapsed, and 10 timed out. For reference, your timeout cutoff is 60 seconds.
2023-03-27 11:51:53.398 [NOTICE] Your network connection speed appears to have changed. Resetting timeout to 60000ms after 18 timeouts and 321 buildtimes.
2023-03-27 11:52:31.177 [WARN] Guard luraleen2 ($B4C39AD461B21AA48DB4FB371B001D91A3043C0C) is failing a very large amount of circuits. Most likely this means the Tor network is overloaded, but it could also mean an attack against you or potentially the guard itself. Success counts are 86/189. Use counts are 96/99. 184 circuits completed, 1 were unusable, 97 collapsed, and 8 timed out. For reference, your timeout cutoff is 60 seconds.
2023-03-27 12:03:01.638 [NOTICE] New control connection opened from 127.0.0.1.
2023-03-27 12:03:56.396 [NOTICE] New control connection opened from 127.0.0.1.
2023-03-27 12:03:59.494 [NOTICE] New control connection opened from 127.0.0.1.
2023-03-27 12:07:58.711 [NOTICE] New control connection opened from 127.0.0.1.
2023-03-27 12:17:11.076 [NOTICE] New control connection opened from 127.0.0.1.
2023-03-27 12:17:13.665 [NOTICE] New control connection opened from 127.0.0.1.
2023-03-27 12:17:22.981 [NOTICE] New control connection opened from 127.0.0.1.
Thank you for your reply, I exported the log here, but I can’t read it, please tell me what’s wrong?
2023-03-27 11:51:29.354 [NOTICE] New control connection opened from 127.0.0.1.
2023-03-27 11:51:29.355 [NOTICE] New control connection opened from 127.0.0.1.
2023-03-27 11:51:29.355 [NOTICE] New control connection opened from 127.0.0.1.
2023-03-27 11:51:29.360 [NOTICE] DisableNetwork is set. Tor will not make or accept non-control network connections. Shutting down all existing connections.
2023-03-27 11:51:29.373 [NOTICE] Opening Socks listener on 127.0.0.1:9150
2023-03-27 11:51:29.373 [NOTICE] Opened Socks listener connection (ready) on 127.0.0.1:9150
2023-03-27 11:51:30.360 [NOTICE] Bootstrapped 5% (conn): Connecting to a relay
2023-03-27 11:51:30.798 [NOTICE] Bootstrapped 10% (conn_done): Connected to a relay
2023-03-27 11:51:32.235 [NOTICE] Bootstrapped 14% (handshake): Handshaking with a relay
2023-03-27 11:51:33.461 [NOTICE] Bootstrapped 15% (handshake_done): Handshake with a relay done
2023-03-27 11:51:33.462 [NOTICE] Bootstrapped 75% (enough_dirinfo): Loaded enough directory info to build circuits
2023-03-27 11:51:33.464 [NOTICE] Bootstrapped 90% (ap_handshake_done): Handshake finished with a relay to build circuits
2023-03-27 11:51:33.464 [NOTICE] Bootstrapped 95% (circuit_create): Establishing a Tor circuit
2023-03-27 11:51:34.486 [NOTICE] Guard spicyavocado ($6CBA90E31188A65E2B6AC1EE8412E8DE571ECAD6) is failing more circuits than usual. Most likely this means the Tor network is overloaded. Success counts are 91/154. Use counts are 73/81. 149 circuits completed, 3 were unusable, 55 collapsed, and 3 timed out. For reference, your timeout cutoff is 60 seconds.
2023-03-27 11:51:36.249 [NOTICE] Bootstrapped 100% (done): Done
2023-03-27 11:51:36.326 [NOTICE] New control connection opened from 127.0.0.1.
2023-03-27 11:51:37.518 [NOTICE] Guard Piratenpartei02 ($856B7EFB7E09D02A29DD2FF024B7E1EFE21FE9EB) is failing more circuits than usual. Most likely this means the Tor network is overloaded. Success counts are 129/215. Use counts are 85/90. 209 circuits completed, 2 were unusable, 78 collapsed, and 10 timed out. For reference, your timeout cutoff is 60 seconds.
2023-03-27 11:51:53.398 [NOTICE] Your network connection speed appears to have changed. Resetting timeout to 60000ms after 18 timeouts and 321 buildtimes.
2023-03-27 11:52:31.177 [WARN] Guard luraleen2 ($B4C39AD461B21AA48DB4FB371B001D91A3043C0C) is failing a very large amount of circuits. Most likely this means the Tor network is overloaded, but it could also mean an attack against you or potentially the guard itself. Success counts are 86/189. Use counts are 96/99. 184 circuits completed, 1 were unusable, 97 collapsed, and 8 timed out. For reference, your timeout cutoff is 60 seconds.
2023-03-27 12:03:01.638 [NOTICE] New control connection opened from 127.0.0.1.