Google Chrome Error Code ERR_CERT_DATE_INVALID: How to Fix It

Easy 10-20 minutes High Severity Verified June 2026
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Error Code
ERR_CERT_DATE_INVALID
Brand
Google Chrome
Product Type
browser
Severity
High
DIY Difficulty
Easy
Estimated Fix Time
10-20 minutes
The ERR_CERT_DATE_INVALID error appears when Chrome detects that a website's security certificate has an invalid date - either expired or not yet valid. This commonly occurs when your computer's system clock is incorrect, causing Chrome to think certificates are invalid when they're actually fine.
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How to Fix Error Code ERR_CERT_DATE_INVALID

  1. Check and Correct System Date/Time

  2. Clear Chrome Browser Cache and Cookies

    This will log you out of all websites and remove saved preferences

  3. Disable Antivirus SSL/HTTPS Scanning

    Only disable temporarily for testing - re-enable antivirus protection afterward

  4. Reset Chrome Network Settings

    This will reset all Chrome settings to defaults

  5. Update Chrome Browser

  6. Try Incognito Mode

  7. Disable Chrome Extensions

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When to Call a Professional

Contact your IT administrator if this occurs on a work computer with managed security policies, or if the error persists across all browsers and devices on your network, as this may indicate DNS or network configuration issues requiring professional assistance.

Frequently Asked Questions

Why does ERR_CERT_DATE_INVALID keep appearing on trusted websites?
This usually happens when your computer's system clock is wrong, making Chrome think valid certificates are expired. Check your date/time settings and enable automatic time synchronization.
Is it safe to proceed past the ERR_CERT_DATE_INVALID warning?
Only proceed if you're certain the website is legitimate and your system time is correct. Never bypass this warning on banking, shopping, or other sensitive sites as it could indicate a security threat.
Can antivirus software cause ERR_CERT_DATE_INVALID errors?
Yes, some antivirus programs scan HTTPS traffic by creating their own certificates, which can cause validation errors. Try temporarily disabling HTTPS scanning in your antivirus settings.
Will clearing Chrome data fix ERR_CERT_DATE_INVALID permanently?
Clearing browser data can resolve certificate caching issues, but if your system clock is wrong or antivirus is interfering, the error will return. Address the root cause for a permanent fix.

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