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v3.4.2 is now available for Windows, Linux, and Docker.

If you're having issues, please first follow the Readme and Troubleshooting Wiki.

If the problem persists, leave a comment with your platform (Windows/Linux/Docker) and a short description of your issue.

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Replies: 8 comments · 15 replies

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@Anto79-ops

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@ilike2burnthing

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@ilike2burnthing
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If both Prowlarr and FlareSolverr are running on the same device, and neither is using a proxy or VPN, then try disabling IPv6.

If you still have issues, open a new issue here, providing the details requested, and debug FlareSolverr logs and trace Prowlarr logs.

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ubuntu 24.04 precompiled binaries 3.4.0

Seems like its having issues with torrentcore

Aug 28 17:11:43 dls2 flaresolverr[53505]: 2025-08-28 17:11:43 DEBUG    ReqId 134559714768576 Navigating to... https://torrentcore.xyz/index
Aug 28 17:11:44 dls2 flaresolverr[53505]: 2025-08-28 17:11:44 INFO     ReqId 134559714768576 Challenge detected. Title found: Just a moment...
Aug 28 17:11:44 dls2 flaresolverr[53505]: 2025-08-28 17:11:44 DEBUG    ReqId 134559714768576 Waiting for title (attempt 1): Just a moment...
Aug 28 17:11:46 dls2 flaresolverr[53505]: 2025-08-28 17:11:46 DEBUG    ReqId 134559714768576 Timeout waiting for selector
Aug 28 17:11:46 dls2 flaresolverr[53505]: 2025-08-28 17:11:46 DEBUG    ReqId 134559714768576 Try to find the Cloudflare verify checkbox...
Aug 28 17:11:52 dls2 flaresolverr[53505]: 2025-08-28 17:11:52 DEBUG    ReqId 134559714768576 Cloudflare verify checkbox found and clicked!
Aug 28 17:11:52 dls2 flaresolverr[53505]: 2025-08-28 17:11:52 DEBUG    ReqId 134559714768576 Try to find the Cloudflare 'Verify you are human' button...
Aug 28 17:11:52 dls2 flaresolverr[53505]: 2025-08-28 17:11:52 DEBUG    ReqId 134559714768576 The Cloudflare 'Verify you are human' button not found on the page.
Aug 28 17:11:54 dls2 flaresolverr[53505]: 2025-08-28 17:11:54 DEBUG    ReqId 134559714768576 Waiting for title (attempt 2): Just a moment...
Aug 28 17:11:55 dls2 flaresolverr[53505]: 2025-08-28 17:11:55 DEBUG    ReqId 134559714768576 Timeout waiting for selector
Aug 28 17:11:55 dls2 flaresolverr[53505]: 2025-08-28 17:11:55 DEBUG    ReqId 134559714768576 Try to find the Cloudflare verify checkbox...
Aug 28 17:12:01 dls2 flaresolverr[53505]: 2025-08-28 17:12:01 DEBUG    ReqId 134559714768576 Cloudflare verify checkbox found and clicked!
Aug 28 17:12:01 dls2 flaresolverr[53505]: 2025-08-28 17:12:01 DEBUG    ReqId 134559714768576 Try to find the Cloudflare 'Verify you are human' button...
Aug 28 17:12:01 dls2 flaresolverr[53505]: 2025-08-28 17:12:01 DEBUG    ReqId 134559714768576 The Cloudflare 'Verify you are human' button not found on the page.
Aug 28 17:12:03 dls2 flaresolverr[53505]: 2025-08-28 17:12:03 DEBUG    ReqId 134559714768576 Waiting for title (attempt 3): Just a moment...
Aug 28 17:12:05 dls2 flaresolverr[53505]: 2025-08-28 17:12:05 DEBUG    ReqId 134559714768576 Timeout waiting for selector
Aug 28 17:12:05 dls2 flaresolverr[53505]: 2025-08-28 17:12:05 DEBUG    ReqId 134559714768576 Try to find the Cloudflare verify checkbox...
Aug 28 17:12:11 dls2 flaresolverr[53505]: 2025-08-28 17:12:11 DEBUG    ReqId 134559714768576 Cloudflare verify checkbox found and clicked!
Aug 28 17:12:11 dls2 flaresolverr[53505]: 2025-08-28 17:12:11 DEBUG    ReqId 134559714768576 Try to find the Cloudflare 'Verify you are human' button...
Aug 28 17:12:11 dls2 flaresolverr[53505]: 2025-08-28 17:12:11 DEBUG    ReqId 134559714768576 The Cloudflare 'Verify you are human' button not found on the page.
Aug 28 17:12:13 dls2 flaresolverr[53505]: 2025-08-28 17:12:13 DEBUG    ReqId 134559714768576 Waiting for title (attempt 4): Just a moment...
Aug 28 17:12:14 dls2 flaresolverr[53505]: 2025-08-28 17:12:14 DEBUG    ReqId 134559714768576 Timeout waiting for selector
Aug 28 17:12:14 dls2 flaresolverr[53505]: 2025-08-28 17:12:14 DEBUG    ReqId 134559714768576 Try to find the Cloudflare verify checkbox...
Aug 28 17:12:20 dls2 flaresolverr[53505]: 2025-08-28 17:12:20 DEBUG    ReqId 134559714768576 Cloudflare verify checkbox found and clicked!
Aug 28 17:12:20 dls2 flaresolverr[53505]: 2025-08-28 17:12:20 DEBUG    ReqId 134559714768576 Try to find the Cloudflare 'Verify you are human' button...
Aug 28 17:12:20 dls2 flaresolverr[53505]: 2025-08-28 17:12:20 DEBUG    ReqId 134559714768576 The Cloudflare 'Verify you are human' button not found on the page.
Aug 28 17:12:22 dls2 flaresolverr[53505]: 2025-08-28 17:12:22 DEBUG    ReqId 134559714768576 Waiting for title (attempt 5): Just a moment...
Aug 28 17:12:23 dls2 flaresolverr[53505]: 2025-08-28 17:12:23 DEBUG    ReqId 134559714768576 Timeout waiting for selector
Aug 28 17:12:23 dls2 flaresolverr[53505]: 2025-08-28 17:12:23 DEBUG    ReqId 134559714768576 Try to find the Cloudflare verify checkbox...
Aug 28 17:12:29 dls2 flaresolverr[53505]: 2025-08-28 17:12:29 DEBUG    ReqId 134559714768576 Cloudflare verify checkbox found and clicked!
Aug 28 17:12:29 dls2 flaresolverr[53505]: 2025-08-28 17:12:29 DEBUG    ReqId 134559714768576 Try to find the Cloudflare 'Verify you are human' button...
Aug 28 17:12:29 dls2 flaresolverr[53505]: 2025-08-28 17:12:29 DEBUG    ReqId 134559714768576 The Cloudflare 'Verify you are human' button not found on the page.
Aug 28 17:12:31 dls2 flaresolverr[53505]: 2025-08-28 17:12:31 DEBUG    ReqId 134559714768576 Waiting for title (attempt 6): Just a moment...
Aug 28 17:12:32 dls2 flaresolverr[53505]: 2025-08-28 17:12:32 DEBUG    ReqId 134559714768576 Timeout waiting for selector
Aug 28 17:12:32 dls2 flaresolverr[53505]: 2025-08-28 17:12:32 DEBUG    ReqId 134559714768576 Try to find the Cloudflare verify checkbox...
Aug 28 17:12:38 dls2 flaresolverr[53505]: 2025-08-28 17:12:38 DEBUG    ReqId 134559714768576 Cloudflare verify checkbox found and clicked!
Aug 28 17:12:38 dls2 flaresolverr[53505]: 2025-08-28 17:12:38 DEBUG    ReqId 134559714768576 Try to find the Cloudflare 'Verify you are human' button...
Aug 28 17:12:38 dls2 flaresolverr[53505]: 2025-08-28 17:12:38 DEBUG    ReqId 134559714768576 The Cloudflare 'Verify you are human' button not found on the page.
Aug 28 17:12:40 dls2 flaresolverr[53505]: 2025-08-28 17:12:40 DEBUG    ReqId 134559714768576 Waiting for title (attempt 7): Just a moment...
Aug 28 17:12:42 dls2 flaresolverr[53505]: 2025-08-28 17:12:42 DEBUG    ReqId 134559714768576 Timeout waiting for selector
Aug 28 17:12:42 dls2 flaresolverr[53505]: 2025-08-28 17:12:42 DEBUG    ReqId 134559714768576 Try to find the Cloudflare verify checkbox...
Aug 28 17:12:48 dls2 flaresolverr[53505]: 2025-08-28 17:12:48 DEBUG    ReqId 134559714768576 Cloudflare verify checkbox found and clicked!
Aug 28 17:12:48 dls2 flaresolverr[53505]: 2025-08-28 17:12:48 DEBUG    ReqId 134559714768576 Try to find the Cloudflare 'Verify you are human' button...
Aug 28 17:12:48 dls2 flaresolverr[53505]: 2025-08-28 17:12:48 DEBUG    ReqId 134559714768576 The Cloudflare 'Verify you are human' button not found on the page.
Aug 28 17:12:50 dls2 flaresolverr[53505]: 2025-08-28 17:12:50 DEBUG    ReqId 134559714768576 Waiting for title (attempt 8): Just a moment...
Aug 28 17:12:51 dls2 flaresolverr[53505]: 2025-08-28 17:12:51 DEBUG    ReqId 134559714768576 Timeout waiting for selector
Aug 28 17:12:51 dls2 flaresolverr[53505]: 2025-08-28 17:12:51 DEBUG    ReqId 134559714768576 Try to find the Cloudflare verify checkbox...
Aug 28 17:12:57 dls2 flaresolverr[53505]: 2025-08-28 17:12:57 DEBUG    ReqId 134559714768576 Cloudflare verify checkbox found and clicked!
Aug 28 17:12:57 dls2 flaresolverr[53505]: 2025-08-28 17:12:57 DEBUG    ReqId 134559714768576 Try to find the Cloudflare 'Verify you are human' button...
Aug 28 17:12:57 dls2 flaresolverr[53505]: 2025-08-28 17:12:57 DEBUG    ReqId 134559714768576 The Cloudflare 'Verify you are human' button not found on the page.
Aug 28 17:12:59 dls2 flaresolverr[53505]: 2025-08-28 17:12:59 DEBUG    ReqId 134559714768576 Waiting for title (attempt 9): Just a moment...
Aug 28 17:13:00 dls2 flaresolverr[53505]: 2025-08-28 17:13:00 DEBUG    ReqId 134559714768576 Timeout waiting for selector
Aug 28 17:13:00 dls2 flaresolverr[53505]: 2025-08-28 17:13:00 DEBUG    ReqId 134559714768576 Try to find the Cloudflare verify checkbox...
...
Aug 28 17:14:06 dls2 flaresolverr[53505]: 2025-08-28 17:14:06 DEBUG    ReqId 134559714768576 Timeout waiting for selector
Aug 28 17:14:06 dls2 flaresolverr[53505]: 2025-08-28 17:14:06 DEBUG    ReqId 134559714768576 Try to find the Cloudflare verify checkbox...
Aug 28 17:14:12 dls2 flaresolverr[53505]: 2025-08-28 17:14:12 DEBUG    ReqId 134559714768576 Cloudflare verify checkbox found and clicked!
Aug 28 17:14:12 dls2 flaresolverr[53505]: 2025-08-28 17:14:12 DEBUG    ReqId 134559714768576 Try to find the Cloudflare 'Verify you are human' button...
Aug 28 17:14:12 dls2 flaresolverr[53505]: 2025-08-28 17:14:12 DEBUG    ReqId 134559714768576 The Cloudflare 'Verify you are human' button not found on the page.
Aug 28 17:14:14 dls2 flaresolverr[53505]: 2025-08-28 17:14:14 DEBUG    ReqId 134559714768576 Waiting for title (attempt 17): Just a moment...
Aug 28 17:14:15 dls2 flaresolverr[53505]: 2025-08-28 17:14:15 DEBUG    ReqId 134559714768576 Timeout waiting for selector
Aug 28 17:14:15 dls2 flaresolverr[53505]: 2025-08-28 17:14:15 DEBUG    ReqId 134559714768576 Try to find the Cloudflare verify checkbox...
Aug 28 17:14:22 dls2 flaresolverr[53505]: 2025-08-28 17:14:22 DEBUG    ReqId 134559956399808 A used instance of webdriver has been destroyed
Aug 28 17:14:22 dls2 flaresolverr[53505]: 2025-08-28 17:14:22 ERROR    ReqId 134559956399808 Error: Error solving the challenge. Timeout after 155.0 seconds.

ext.to and extratorrents is also looping

1337x works well so thats nice.

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@sylvek
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1337x doesn't work for me, do you know exactly what url you target ?

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@ilike2burnthing
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Increase timeout to 120s in Jackett/Prowlarr settings.

Follow troubleshooting steps - https://github.com/FlareSolverr/FlareSolverr/wiki/Troubleshooting

Otherwise, dupe - #1565 (comment)

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@Anto79-ops

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Feedback for 3.4.1 and 3.4.2 in Windows 11 Pro: both versions can not start due to Error starting Chrome: Message: session not created: cannot connect to chrome at 127.0.0.1...

I tried all selenium fixes under the sky in the last few days without success.

Details below:

2025-10-15 09:49:04 INFO FlareSolverr 3.4.2
2025-10-15 09:49:04 INFO Testing web browser installation...
2025-10-15 09:49:04 INFO Platform: Windows-11-10.0.26100-SP0
2025-10-15 09:49:04 INFO Chrome / Chromium path: c:\flaresolverr_internal\chrome\chrome.exe
2025-10-15 09:49:04 INFO Chrome / Chromium major version: 138
2025-10-15 09:49:04 INFO Launching web browser...
2025-10-15 09:50:09 ERROR Error starting Chrome: Message: session not created: cannot connect to chrome at 127.0.0.1:60685
from chrome not reachable; For documentation on this error, please visit: https://www.selenium.dev/documentation/webdriver/troubleshooting/errors#sessionnotcreatedexception
Stacktrace:
GetHandleVerifier [0x0x6fba83+63395]
GetHandleVerifier [0x0x6fbac4+63460]
(No symbol) [0x0x541f70]
(No symbol) [0x0x535f1a]
(No symbol) [0x0x57add6]
(No symbol) [0x0x57128f]
(No symbol) [0x0x5710c6]
(No symbol) [0x0x5bae57]
(No symbol) [0x0x5ba74a]
(No symbol) [0x0x5af1a6]
(No symbol) [0x0x57e7b2]
(No symbol) [0x0x57f654]
GetHandleVerifier [0x0x978883+2672035]
GetHandleVerifier [0x0x973cba+2652634]
GetHandleVerifier [0x0x722bca+223466]
GetHandleVerifier [0x0x712cb8+158168]
GetHandleVerifier [0x0x71978d+185517]
GetHandleVerifier [0x0x703b78+96408]
GetHandleVerifier [0x0x703d02+96802]
GetHandleVerifier [0x0x6ee90a+9770]
BaseThreadInitThunk [0x0x762c5d49+25]
RtlInitializeExceptionChain [0x0x7792d6db+107]
RtlGetAppContainerNamedObjectPath [0x0x7792d661+561]

Traceback (most recent call last):
File "utils.py", line 314, in get_user_agent
File "utils.py", line 197, in get_webdriver
File "utils.py", line 191, in get_webdriver
File "undetected_chromedriver_init_.py", line 474, in init
File "selenium\webdriver\chrome\webdriver.py", line 46, in init
File "selenium\webdriver\chromium\webdriver.py", line 71, in init
File "selenium\webdriver\remote\webdriver.py", line 263, in init
File "undetected_chromedriver_init_.py", line 730, in start_session
File "selenium\webdriver\remote\webdriver.py", line 366, in start_session
File "selenium\webdriver\remote\webdriver.py", line 458, in execute
File "selenium\webdriver\remote\errorhandler.py", line 232, in check_response
selenium.common.exceptions.SessionNotCreatedException: Message: session not created: cannot connect to chrome at 127.0.0.1:60685
from chrome not reachable; For documentation on this error, please visit: https://www.selenium.dev/documentation/webdriver/troubleshooting/errors#sessionnotcreatedexception
Stacktrace:
GetHandleVerifier [0x0x6fba83+63395]
GetHandleVerifier [0x0x6fbac4+63460]
(No symbol) [0x0x541f70]
(No symbol) [0x0x535f1a]
(No symbol) [0x0x57add6]
(No symbol) [0x0x57128f]
(No symbol) [0x0x5710c6]
(No symbol) [0x0x5bae57]
(No symbol) [0x0x5ba74a]
(No symbol) [0x0x5af1a6]
(No symbol) [0x0x57e7b2]
(No symbol) [0x0x57f654]
GetHandleVerifier [0x0x978883+2672035]
GetHandleVerifier [0x0x973cba+2652634]
GetHandleVerifier [0x0x722bca+223466]
GetHandleVerifier [0x0x712cb8+158168]
GetHandleVerifier [0x0x71978d+185517]
GetHandleVerifier [0x0x703b78+96408]
GetHandleVerifier [0x0x703d02+96802]
GetHandleVerifier [0x0x6ee90a+9770]
BaseThreadInitThunk [0x0x762c5d49+25]
RtlInitializeExceptionChain [0x0x7792d6db+107]
RtlGetAppContainerNamedObjectPath [0x0x7792d661+561]

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "flaresolverr.py", line 127, in
File "flaresolverr_service.py", line 74, in test_browser_installation
File "utils.py", line 320, in get_user_agent
Exception: Error getting browser User-Agent. Message: session not created: cannot connect to chrome at 127.0.0.1:60685
from chrome not reachable; For documentation on this error, please visit: https://www.selenium.dev/documentation/webdriver/troubleshooting/errors#sessionnotcreatedexception
Stacktrace:
GetHandleVerifier [0x0x6fba83+63395]
GetHandleVerifier [0x0x6fbac4+63460]
(No symbol) [0x0x541f70]
(No symbol) [0x0x535f1a]
(No symbol) [0x0x57add6]
(No symbol) [0x0x57128f]
(No symbol) [0x0x5710c6]
(No symbol) [0x0x5bae57]
(No symbol) [0x0x5ba74a]
(No symbol) [0x0x5af1a6]
(No symbol) [0x0x57e7b2]
(No symbol) [0x0x57f654]
GetHandleVerifier [0x0x978883+2672035]
GetHandleVerifier [0x0x973cba+2652634]
GetHandleVerifier [0x0x722bca+223466]
GetHandleVerifier [0x0x712cb8+158168]
GetHandleVerifier [0x0x71978d+185517]
GetHandleVerifier [0x0x703b78+96408]
GetHandleVerifier [0x0x703d02+96802]
GetHandleVerifier [0x0x6ee90a+9770]
BaseThreadInitThunk [0x0x762c5d49+25]
RtlInitializeExceptionChain [0x0x7792d6db+107]
RtlGetAppContainerNamedObjectPath [0x0x7792d661+561]

[PYI-23196:ERROR] Failed to execute script 'flaresolverr' due to unhandled exception!

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3 replies
@ilike2burnthing
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Working fine here. Try moving FlareSolverr anywhere other than the C:\ root directory, may be a permissions issue.

If you still have problems, enable debug logging and headless=false, see if Chrome even starts and anything more shows in the logs - https://github.com/FlareSolverr/FlareSolverr#environment-variables

@IVazharov
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Working fine here. Try moving FlareSolverr anywhere other than the C:\ root directory, may be a permissions issue.

If you still have problems, enable debug logging and headless=false, see if Chrome even starts and anything more shows in the logs - https://github.com/FlareSolverr/FlareSolverr#environment-variables

Just tried from a different location (non-system drive) with the following parameters:

SET HEADLESS=false
SET LOG_LEVEL=debug
SET LOG_FILE=p:/flaresolverr/flaresolverr.log

The log-file is attached.

flaresolverr.log

I can see the undetected_chromedriver.exe 32-bit running process. Same error.

@ilike2burnthing
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Delete C:\Users\Ivan Vazharov\appdata\roaming\undetected_chromedriver\ and the FlareSolverr folder. Redownload v3.4.2, extract and try again.

I take it you didn't see a Chrome window appear?

Have you tried both launching from Command Prompt window and just double-clicking flaresolverr.exe?

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