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--- en:loginproblems [2022/04/11 17:28] – Outdent chapter 4b as chapter 5 for better readability lineflyer
+++ en:loginproblems [2025/11/23 10:34] (current) – [Login failed: Captcha required] Update Captcha block according to support system info moving-bits
@@ Line 97: / Line 97: @@
 ==== Login failed: Captcha required ====
-c:geo has detected, that the geocaching website requires you to solve a Captcha to login. c:geo therefore cannot login. geocaching.com might use such Captcha after detecting consecutive login failures (e.g. due to wrong password).
+c:geo has detected, that the geocaching website requires you to solve a CAPTCHA to login. c:geo therefore cannot login.
+This is not a c:geo issue, but a security measure taken by the geocaching.com servers. We **cannot influence** on c:geo side under which conditions Groundspeak decides to trigger such a CAPTCHA as we have no control over their servers, however we have collected some tips which have helped our users in the past to mitigate that issue:
+As far as we know the CAPTCHA can be triggered by the following situations:
+  * You tried to login with a wrong password several times
+  * You tried to login from an IP address geocaching.com servers regard as suspicious compared to your normal usage pattern (e.g. a public WiFi, from a foreign country, using VPN or anonymizer services)
+  * The mail address stored in your profile at geocaching.com is not verified or no longer valid
+To overcome this problem please proceed as follows:
 <WRAP center round todo 100%>
-Please login once on the geocaching website using your browser/PC, solve the Captcha there and try again with c:geo after you successfully logged in there.
+Use your device's browser to go to geocaching.com, login to the website and solve the shown CAPTCHA.
+If you are using the geocaching.com app on your mobile, it might also help if you open that app, log off, close the app, restart and login again.
+Afterwards go to c:geo Start - Menu - Settings - Services - geocaching.com and use "Update authorization" to doublecheck your username and password and try to login again.
 </WRAP>
-Furthermore geocaching.com might use such Captcha, when detecting logins from an suspicious, blacklisted or unidentified IP-address. Such might happen if you use VPN tools, anonymizers (like TOR) or some public Wi-Fi networks. Please deactivate such tools and try again to login with c:geo. You might also want to try logging in with c:geo using a different internet connection (e.g. mobile network instead of Wi-Fi).
+Furthermore geocaching.com might use such CAPTCHA when detecting logins from an suspicious, blacklisted or unidentified IP-address. Such might happen if you use VPN tools, anonymizers (like TOR) or some public Wi-Fi networks.
+<WRAP center round todo 100%>
+Please deactivate such tools and try again to login with c:geo. You might also want to try logging in with c:geo using a different internet connection (e.g. mobile network instead of Wi-Fi).
+</WRAP>
+Additionally, please check on the geocaching.com website, that your email address is valid and verified. You can do so on the Geocaching website [[https://www.geocaching.com/account/settings/emailpreferences|settings page]].
+Another trick that has been known to help is triggering a "captcha removal" via the official geocaching.com app (which you can find in Google Play Store):
+<WRAP center round todo 100%>
+  * If you have not yet installed the official app: install it (temporarily).
+  * Try to log into this app.
+  * After that, update your authorization in c:geo
+    * switch to c:geo
+    * go to settings => services => geocaching.com
+    * long-tap on "update or remove authorization", re-enter your credentials, then push "check authentication" button
+  * If this way is successful, you may uninstall the official app again at your own preference
+</WRAP>
+If all of the above fails, please try to log in using the "Manual login". This option appears as a button on c:geo homepage after a failed login. In the appearing browser window, enter your geocaching username (not your email) and password in the respective fields. Do not use Google/Apple/Facebook sign in, it won't work with c:geo. This is a temporary mitigation only, though, and won't resolve the underlying issue of the captcha.
 ==== Login failed: You must validate your account on the Geocaching.com website first ====

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