Hi there! I understand you're having trouble logging into Mercado Libre. Could you tell me a bit more about what's happening when you try to log in? Are you using the Mercado Libre app or the website? Also, do you see any error messages, or does the page behave oddly, like going blank or freezing? This info will help me guide you better.

cannot log-in: caption "using details from Mercado Libre" (in red) when entering Email address then failing Captcha checkmark...repeat. I'm logging on to the website.

Thanks for the details! It sounds like when you enter your email, you get a red message saying "using details from Mercado Libre," and then the CAPTCHA won't let you through, so you keep getting stuck.

Let's try these steps one by one to fix this:

1. Clear Browser Cache and Cookies: Sometimes, stored browser data can mess with login security features like CAPTCHA.
- In your WebKit browser on Windows, go to Settings > Privacy & Security > Clear browsing data. Make sure to clear cookies and cached images/files. Then restart the browser and try logging in again.

2. Try a Different Browser or Incognito Mode: This will help us see if the issue is browser-specific. If it works in a private window or another browser, the problem may be extensions or cached data.

3. Check Internet Connection and VPN: Sometimes, a VPN or unstable connection can cause CAPTCHA failures. If you use a VPN, try disabling it temporarily and try again.

4. Verify Time and Date Settings on Your PC: An incorrect system clock can cause security checks to fail. On Windows 10, right-click on the clock > Adjust date/time > set time automatically.

If these don’t solve the issue, let me know if the CAPTCHA checkbox remains unresponsive or if there's another message popping up so I can help further. How does this sound so far?

Troubleshooting Mercado Libre app login failure

Thanks for sharing that you’re looking for troubleshooting steps specifically for Mercado Libre app login issues. Although you mentioned the website earlier, I see you might want general tips that could help across platforms, so here’s how to approach login problems with Mercado Libre:

1. Check Network Connection: Ensure you have a stable internet connection. Login and CAPTCHA processes require steady communication with servers.

2. Clear App Cache and Data: Since you’re on Windows browsing, this applies if you were using an app on another device as well. Clearing the app cache or reinstalling the app can resolve corrupted data issues causing login failures.

3. Update Browser or App: Make sure your WebKit-based browser or Mercado Libre app is up to date. Outdated versions sometimes fail to process login correctly.

4. Disable Browser Extensions: Sometimes, browser add-ons (like ad blockers or privacy tools) interfere with login. Try disabling these and test logging in again.

5. Captcha and Security Checks: Mercado Libre uses CAPTCHA to prevent bots. If CAPTCHA keeps failing, try turning off VPNs or proxies and ensure your PC’s date/time is correct, as these can cause validation errors.

6. Password Reset and Account Status: If you suspect account-related issues, try resetting your password or check your email for any account status notifications.

7. Clear Browser Cache: Just to reiterate for your current setup on Windows with WebKit, clear the browser cache and cookies, then retry login.

If after these steps you still can’t log in, it could be an issue on Mercado Libre’s side or with your account specifically. You might want to check if Mercado Libre has any ongoing outages or contact their specialized support team for account verification.

Here’s a helpful video guide that covers common Mercado Libre app login fixes if you are using the app on any device: How To Fix And Solve Login Problem On Mercado Libre App 2.

Does any of this match what you’ve tried so far? Let me know so I can tailor the next steps for you.