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If you are encountering the error code 0308010c:digital envelope routines::unsupported cipher, it means that your system is unable to decrypt or encrypt data due to an unsupported cipher. This error can occur when you are trying to access a website or when you are trying to send or receive encrypted emails.

In this article, we will provide you with step-by-step instructions on how to fix the error code 0308010c:digital envelope routines::unsupported cipher.

Step 1: Update Your Browser

The first step to fixing this error is to update your browser. This error can occur when you are using an outdated browser that does not support the latest encryption algorithms. To update your browser, follow these steps:

1. Open your browser and click on the three dots in the top right corner.
2. Click on “Settings” from the drop-down menu.
3. Scroll down and click on “About Chrome” or “About Firefox” depending on the browser you are using.
4. Your browser will automatically check for updates and install them if available.

Step 2: Enable TLS 1.2

The next step is to enable TLS 1.2. TLS stands for Transport Layer Security, and it is a protocol used to encrypt data sent over the internet. TLS 1.2 is the latest version of this protocol and is required by many websites and email providers. To enable TLS 1.2, follow these steps:

1. Open your browser and click on the three dots in the top right corner.
2. Click on “Settings” from the drop-down menu.
3. Scroll down and click on “Advanced” to expand the advanced settings.
4. Under “Privacy and security,” click on “Site settings.”
5. Scroll down and click on “Additional content settings.”
6. Click on “Encryption options.”
7. Make sure that “TLS 1.2” is selected.

Step 3: Disable SSL 3.0 and TLS 1.0/1.1

The next step is to disable SSL 3.0 and TLS 1.0/1.1. These are older encryption protocols that are no longer considered secure and are vulnerable to attacks. To disable SSL 3.0 and TLS 1.0/1.1, follow these steps:

1. Open your browser and click on the three dots in the top right corner.
2. Click on “Settings” from the drop-down menu.
3. Scroll down and click on “Advanced” to expand the advanced settings.
4. Under “Privacy and security,” click on “Site settings.”
5. Scroll down and click on “Additional content settings.”
6. Click on “Encryption options.”
7. Make sure that “SSL 3.0” and “TLS 1.0/1.1” are disabled.

Step 4: Clear Your Browser Cache

The next step is to clear your browser cache. Your browser cache stores temporary files and data from websites you visit. Clearing your cache can help fix issues with websites and improve your browser’s performance. To clear your browser cache, follow these steps:

1. Open your browser and click on the three dots in the top right corner.
2. Click on “Settings” from the drop-down menu.
3. Scroll down and click on “Privacy and security.”
4. Click on “Clear browsing data.”
5. Select “All time” as the time range.
6. Make sure that “Cached images and files” is selected.
7. Click on “Clear data.”

Step 5: Update Your Operating System

The final step is to update your operating system. This error can occur when your operating system is outdated and does not support the latest encryption algorithms. To update your operating system, follow these steps:

1. Click on the “Start” button and select “Settings.”
2. Click on “Update & Security.”
3. Click on “Check for updates.”
4. Your operating system will automatically check for updates and install them if available.

Conclusion

In conclusion, the error code 0308010c:digital envelope routines::unsupported cipher can be fixed by updating your browser, enabling TLS 1.2, disabling SSL 3.0 and TLS 1.0/1.1, clearing your browser cache, and updating your operating system. By following these steps, you can ensure that your system is using the latest encryption algorithms and is secure when accessing websites and sending or receiving encrypted emails.

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