{"id":2505,"date":"2026-02-01T12:01:46","date_gmt":"2026-02-01T12:01:46","guid":{"rendered":"https:\/\/help.markto.ch\/?post_type=manual_kb&#038;p=2505"},"modified":"2026-02-01T12:01:46","modified_gmt":"2026-02-01T12:01:46","slug":"troubleshooting-login-issues-wrong-credentials-blocked-access-etc","status":"publish","type":"manual_kb","link":"https:\/\/help.markto.ch\/fr\/knowledgebase\/troubleshooting-login-issues-wrong-credentials-blocked-access-etc\/","title":{"rendered":"Troubleshooting Login Issues (Wrong Credentials, Blocked Access, etc.)"},"content":{"rendered":"<p class=\"wp-block-paragraph\"><strong>Troubleshooting Login Issues (Wrong Credentials, Blocked Access, etc.)<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Having trouble logging in to your markto.ch account? Most login problems fall into a few common categories: incorrect credentials, verification issues, temporary blocks, browser\/device problems, or account-specific restrictions. This guide walks you through the most frequent issues and their fixes \u2014 in order of what to try first.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>1. \u201cInvalid Email or Password\u201d \/ Wrong Credentials Error<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Double-check your email address:<\/li>\n\n\n\n<li>Make sure there are no extra spaces before\/after.<\/li>\n\n\n\n<li>Check for typos (e.g., @gamil.com instead of @gmail.com).<\/li>\n\n\n\n<li>Emails are not case-sensitive, but confirm it matches exactly what you registered with.<\/li>\n\n\n\n<li>Verify your password:<\/li>\n\n\n\n<li>Check Caps Lock is off.<\/li>\n\n\n\n<li>If you use a password manager, copy-paste it to avoid typing errors.<\/li>\n\n\n\n<li>Try typing the password in a plain text editor first to confirm it\u2019s correct.<\/li>\n\n\n\n<li>Best next step: Click <strong>Forgot Password?<\/strong> on the login page and follow the reset process (see our article: \u201cForgot Password? How to Reset Your Password Step-by-Step\u201d).<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>2. No Verification Code Received (Email or SMS)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>For <strong>SMS (phone verification)<\/strong>:<\/li>\n\n\n\n<li>Confirm your phone has signal and is not in airplane or Do Not Disturb mode.<\/li>\n\n\n\n<li>Check the number format \u2014 use full international format if prompted (+41 for Switzerland).<\/li>\n\n\n\n<li>Request the code again (usually a \u201cResend\u201d button is available).<\/li>\n\n\n\n<li>Wait 1\u20132 minutes \u2014 delays can happen during high network traffic.<\/li>\n\n\n\n<li>Try a different mobile network or restart your phone.<\/li>\n\n\n\n<li>For <strong>email verification<\/strong>:<\/li>\n\n\n\n<li>Check all folders: Inbox, Spam\/Junk, Promotions (Gmail), Updates, Social.<\/li>\n\n\n\n<li>Search your inbox for \u201cmarkto\u201d, \u201cverify\u201d, or \u201ccode\u201d.<\/li>\n\n\n\n<li>Add no-reply@markto.ch (or similar) to your contacts\/safe senders list.<\/li>\n\n\n\n<li>Request a new code via the \u201cResend\u201d option.<\/li>\n\n\n\n<li>If both fail: Log in from a different device or network (e.g., switch from Wi-Fi to mobile data).<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>3. Account Temporarily Blocked or Locked (\u201cToo Many Attempts\u201d, \u201cAccount Blocked\u201d)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>This usually happens after 5\u201310 failed login attempts in a short time (anti-brute-force protection).<\/li>\n\n\n\n<li>Solution:<\/li>\n\n\n\n<li>Wait 15\u201360 minutes \u2014 most temporary locks expire automatically.<\/li>\n\n\n\n<li>Do not keep trying during the lockout (it may extend the time).<\/li>\n\n\n\n<li>After the wait, try logging in again with correct credentials.<\/li>\n\n\n\n<li>If still blocked after waiting: Use the \u201cForgot Password?\u201d flow to reset and regain access.<\/li>\n\n\n\n<li>Permanent blocks are rare and usually only occur for repeated serious violations (e.g., spam, scams) \u2014 see section 7 below.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>4. Browser or Device-Related Problems<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Clear your browser cache and cookies:<\/li>\n\n\n\n<li>Chrome: Settings \u2192 Privacy and security \u2192 Clear browsing data \u2192 Cookies &amp; cache.<\/li>\n\n\n\n<li>Firefox\/Safari: Similar steps under Privacy or History.<\/li>\n\n\n\n<li>Try these alternatives:<\/li>\n\n\n\n<li>Open an Incognito \/ Private browsing window.<\/li>\n\n\n\n<li>Use a different browser (e.g., switch from Chrome to Firefox).<\/li>\n\n\n\n<li>Try logging in from another device (phone, tablet, different computer).<\/li>\n\n\n\n<li>Disable browser extensions temporarily (ad blockers, VPNs, privacy tools can interfere).<\/li>\n\n\n\n<li>Make sure your browser is up to date.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>5. \u201cAccount Already Exists\u201d or Redirect Loops<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>If you see \u201cAccount already exists\u201d when trying to register again:<\/li>\n\n\n\n<li>You likely already have an account \u2014 go back to the login page and sign in instead.<\/li>\n\n\n\n<li>If login redirects you in a loop:<\/li>\n\n\n\n<li>Clear cookies\/cache (as above).<\/li>\n\n\n\n<li>Log out completely if partially signed in.<\/li>\n\n\n\n<li>Try from incognito mode or another browser.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>6. Two-Factor Authentication (2FA) Issues (If Enabled)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>If you set up 2FA but no longer have access to the phone\/app:<\/li>\n\n\n\n<li>Use any backup codes you saved during setup (check your email or secure notes).<\/li>\n\n\n\n<li>If no backup codes: Contact support immediately (see below) \u2014 they can help verify your identity and disable 2FA temporarily.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>7. Suspected Account Suspension \/ Ban<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>If login fails with a message like \u201cAccount suspended\u201d, \u201cAccess denied\u201d, or \u201cViolation detected\u201d:<\/li>\n\n\n\n<li>This usually means the account violated community guidelines (e.g., prohibited items, spam, scam reports, multiple fake accounts).<\/li>\n\n\n\n<li>Check your registered email for any notification from markto.ch explaining the reason.<\/li>\n\n\n\n<li>To appeal or get clarification:\n<ul class=\"wp-block-list\">\n<li>Use the \u201cContact\u201d or \u201cSupport\u201d link at the bottom of the website.<\/li>\n\n\n\n<li>Submit a polite appeal with your email, username (if known), and explanation.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Note: Serious violations (fraud, illegal content) may result in permanent bans with no appeal.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>8. Still Can\u2019t Log In? Contact Support<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If none of the above resolves the issue:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Go to the markto.ch homepage \u2192 scroll to the footer \u2192 click <strong>Contact<\/strong>, <strong>Support<\/strong>, or <strong>Hilfe<\/strong>.<\/li>\n\n\n\n<li>Provide:<\/li>\n\n\n\n<li>The email address associated with the account<\/li>\n\n\n\n<li>A description of the exact error message<\/li>\n\n\n\n<li>What steps you\u2019ve already tried<\/li>\n\n\n\n<li>Your device\/browser details (optional but helpful)<\/li>\n\n\n\n<li>Response times are usually within 1\u20133 business days.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Quick Summary \u2013 Try in This Order<\/strong><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Check email\/password spelling &amp; Caps Lock<\/li>\n\n\n\n<li>Use \u201cForgot Password?\u201d to reset<\/li>\n\n\n\n<li>Clear cache \/ try incognito \/ different browser\/device<\/li>\n\n\n\n<li>Wait out any temporary lock (15\u201360 min)<\/li>\n\n\n\n<li>Check spam folders for verification emails<\/li>\n\n\n\n<li>Contact support only after exhausting the above<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Most login issues are solved within minutes by resetting the password or clearing browser data. Once you\u2019re back in, consider updating your password and reviewing security settings for extra protection.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">You\u2019ve got this \u2014 get back to your markto.ch account and keep trading locally!<\/p>","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"template":"","format":"standard","manualknowledgebasecat":[70],"manual_kb_tag":[],"class_list":["post-2505","manual_kb","type-manual_kb","status-publish","format-standard","hentry","manualknowledgebasecat-login-and-access"],"_links":{"self":[{"href":"https:\/\/help.markto.ch\/fr\/wp-json\/wp\/v2\/manual_kb\/2505","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/help.markto.ch\/fr\/wp-json\/wp\/v2\/manual_kb"}],"about":[{"href":"https:\/\/help.markto.ch\/fr\/wp-json\/wp\/v2\/types\/manual_kb"}],"author":[{"embeddable":true,"href":"https:\/\/help.markto.ch\/fr\/wp-json\/wp\/v2\/users\/1"}],"version-history":[{"count":1,"href":"https:\/\/help.markto.ch\/fr\/wp-json\/wp\/v2\/manual_kb\/2505\/revisions"}],"predecessor-version":[{"id":2506,"href":"https:\/\/help.markto.ch\/fr\/wp-json\/wp\/v2\/manual_kb\/2505\/revisions\/2506"}],"wp:attachment":[{"href":"https:\/\/help.markto.ch\/fr\/wp-json\/wp\/v2\/media?parent=2505"}],"wp:term":[{"taxonomy":"manualknowledgebasecat","embeddable":true,"href":"https:\/\/help.markto.ch\/fr\/wp-json\/wp\/v2\/manualknowledgebasecat?post=2505"},{"taxonomy":"manual_kb_tag","embeddable":true,"href":"https:\/\/help.markto.ch\/fr\/wp-json\/wp\/v2\/manual_kb_tag?post=2505"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}