Auto-detect sign in issues
From FAQ
- Use the alternative Checker Plus option: Adding accounts manually
- Sign out and into each account again (Gmail cookies expire after account inactivity)
- Cookies being deleted? (ie. *.google.com cookies) you will have to re-sign into your Gmail
- Disable anti-viruses (like Avast etc.) they can cause network/timeout issues
- Privacy or tracking extensions can mistakenly block Gmail cookies (like Adguard, Disconnect, CCleaner or Ghostery etc.) Visit their options and whitelist/exclude *.google.com
- Did you Ignore email accounts in Checker Plus options
- Do not set this Chrome option Keep local data only until I quit my browser
- Use the Latest stable versions
- Did you use Gmail account activity > Sign out all other sessions? Just sign out & into your Gmail
- Delegated accounts will not be detected because you are not officially signing into them: solution.
- Using non-Gmail or custom domains that are not Google Apps then refer to this issue
- Try restarting your browser
- Try restarting your computer (OS updates might cause issues)
- Last resort #1: Try clearing your cookies which might have become corrupted over time
- Last resort #2: Try the Corrupt browser profile instructions
