How to Fix err_cert_weak_signature_algorithm chrome Windows 10 [Steps]

What is ‘NET::ERR_CERT_WEAK_SIGNATURE_ALGORITHM’ error in chrome on Windows 10?

If you are experiencing NET::ERR_CERT_WEAK_SIGNATURE_ALGORITHM, err_cert_weak_signature_algorithm chrome Windows 10, and looking for ways to resolve, then you are in right-place for the solution. Here, you are provided with easy steps/methods to resolve the issue. Let’s starts the discussion.


It is common Google Chrome error usually occurred when you try to access a webpage or while browsing internet in Google Chrome browser on Windows 10 computer. This error prevents you from access WebPages or a specific webpage, or from browsing internet on Google Chrome browser. This error is relating to SSL connection and indicates Google Chrome browser is unable to verify SSL Certificate and hence the SSL Connection fails.

If you are not aware, SSL (Secure Socket Layer) is secure method developed to encrypt data from your computer and sends it to the server. It helps to keep the data private when you are delivering and vice-versa. However, several users reported they faced SSL warning messages/errors when they tried to access certain WebPages or a specific webpage in Google Chrome browser.

The possible reasons behind the issue can be the expired SSL certificate or is not properly configured, SLL certificate doesn’t belongs to requested domain, SSL Certificate is not purchased or issued by a trusted organization, and SSL connection between your computer and server is not secured. If you are a website owner and you facing this error with your own site, then chances there is some issue with SSL certificate of the site.

In such case, you as website owner can try to fix the issue by instating SSL certificates for your website from a trusted organization in order to fix the issue. If you are just a user who experience NET::ERR_CERT_WEAK_SIGNATURE_ALGORITHM error while browsing internet or accessing a webpage on Chrome browser, then you can contact the website owner via their given telephone number, email address or other available contact details and ask them to investigate and resolve the issue.

However, err_cert_weak_signature_algorithm chrome Windows 10 can also occurred due to some problem in your end or your computer’s end. This issue can be occurred due to interference of antivirus/firewall program, issue with internet connection and its network settings, malware or viruses infections in computer, and other issue. It is possible to resolve the problem with our instructions. Let’s go for the solution.

How to fix err_cert_weak_signature_algorithm chrome Windows 10?

Method 1: Fix NET::ERR_CERT_WEAK_SIGNATURE_ALGORITHM error with ‘PC Repair Tool’

‘PC Repair Tool’ is easy & quick way to find and fix BSOD errors, EXE errors, DLL errors, problems with programs/applications, malware or viruses infections in computer, system files or registry issues, and other system issues with just few clicks.

Method 2: Disable your antivirus/firewall temporarily

This error can be occurred due to interference of antivirus/firewall program installed in your computer. You can fix the issue by disabling your antivirus/firewall temporarily and then check if it works for you toward resolving the issue.

Method 3: Reset network settings via Command Prompt

Another way to fix the issue is to reset network settings in Windows computer

Step 1: Type ‘cmd’ in Windows Search Box and press ‘CTRL + SHIFT + ENTER’ keys on keyboard to open ‘Command Prompt as Administrator’

Step 2: Type the following commands and hit ‘Enter’ key after each to execute.

ipconfig /flushdns

ipconfig /renew

ipconfig /registerdns

nbtstat –r

netsh int ip reset

netsh winsock reset

Step 3: Once executed, restart your computer and check if the issue is resolved.

Method 4: Clear SSL Cache

Corrupted SSL cache in computer could be a reason behind the issue. You can fix the issue by clearing SSL cache.

Step 1: Press ‘Windows + R’ keys on keyboard, type ‘inetcpl.cpl’ in ‘Run’ window and hit ‘Ok’ button to open ‘Internet Properties’ window

Step 2: Click ‘Content’ tab and click ‘Clear SLL Cache’ under ‘Certificates’ section

Step 3: Once done, click ‘Apply > Ok’ button to save the changes and check if the issue is resolved.

Method 5: Clear Browser Data

Corrupted browser cache could a reason behind the NET::ERR_CERT_WEAK_SIGNATURE_ALGORITHM error. You can resolve the issue by clearing browser cache and data.

Step 1: Open ‘Google Chrome’ browser and click ‘Three-Dots’ icon at top-right corner and select ‘Settings’

Step 2: Click ‘Advanced’ and under ‘Privacy and Security’, click ‘Clear browsing data’ to open ‘Clear browsing data’ tab/page

Step 3: Select ‘All Time’ from ‘Time Range’ dropdown, select all checkboxes and then hit ‘Clear Data’ and confirm clearing data. Once done, restart your browser and check if the issue is resolved.

Method 6: Bypassing the SSL Warning

If you investigate the site is trusted and there is not anything malicious, you can try to fix the issue by bypassing the SSL warning.

Step 1: On Chrome browser, go to the webpage that is throwing ‘NET::ERR_CERT_WEAK_SIGNATURE_ALGORITHM’ error, and access the site normally

Step 2: Click ‘Advanced’ button and click ‘proceed to (Unsafe)’. Chrome will now redirect you to the website and you can access it without any issue.

Method 7: Disable extensions

This issue can also be occurred due to some problematic extensions installed in your browser. You can try to fix the issue by disabling the extensions.

Step 1: Open ‘Google Chrome’ browser and click ‘Three-Dots’ icon at top-right corner, and select ‘More Tools > Extensions’

Step 2: Find and disable the extension that is causing issue or disable the problematic extensions, or you can disable all extensions if you are unable to find which extensions problematic, and once done, re-launch your browser and check if the issue is resolved.


I hope this article helped you on How to fix NET::ERR_CERT_WEAK_SIGNATURE_ALGORITHM, err_cert_weak_signature_algorithm chrome Windows 10 with several easy steps/methods. You can read & follow our instructions to do so. That’s all. For any suggestions or queries, please write on comment box below.