How to solve the problem of expired desktop computer security certificate?

Expired desktop security certificates may cause website security alerts and connection issues. Regarding this issue, PHP editor Apple provides you with a detailed guide on how to check and update security certificates. Read below to learn how to easily resolve expired security certificates and keep your desktop connection secure.

1. How to solve the problem of expired desktop computer security certificate?

Methods/Steps to read step by step

1

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Press to open (the Window key is the key between Ctrl and Alt).

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Enter mmc, click to open.

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Click -.

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Select and click on the list on the left side of the pop-up window.

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Select in the window and click.

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There is a list on the right, click on it.

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Expand -- , find the certificate that needs to be deleted in the list on the right, and delete it.

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Reopen the website that requires a certificate. The website will prompt that you need to install the certificate. Just click on it and click -.

2. What should I do if my computer security certificate expires?

1. The browser prompts that the security certificate is expired or incorrect. First check whether the computer time is consistent with the current time. If the time is inconsistent, the browser certificate may expire.

2. After checking the current system time, start reinstalling the website certificate, press win+R to open run, enter "mmc", and click OK.

3. After entering the console 1 interface, click "File->Add/Delete Management Unit".

4. After entering the add or delete snap-in interface, find the certificate and click Add. 7. Click the console root node->Certificate-Current User->Trusted Root Certification Authority->Certificate, find "Certum CA" on the right to delete it, save it after deletion, and reopen the browser as needed For the certificate website, click Install Certificate->Add/Remove Snap-in according to the prompts and you are done.

3. What should I do if the tablet security certificate expires?

. Generally, webpage certificates are involved in banks, Alipay and other webpages. These are the webpages that require downloading certificates. When the certificate expires, it means that you need to update the certificate. After the update, the webpage can be opened normally. Reinstall the certificate. 2. Check whether your system time is correct. Many certificate expirations are caused by incorrect time. 3. Clear your browser’s cookies and cache. 4. Use anti-virus software to repair the system, remove malicious plug-ins in the system and restore the normal functions of the browser.

4. What should I do if the computer security certificate expires?

The following is an article from GDCA, which Xiaozhi thinks can solve this problem:

Author: GDCA

Link:

Will the security certificate expire? What should I do if the certificate expires?

Will the security certificate expire? Friends who often surf the Internet may have encountered a prompt when visiting a certain website page: "The security certificate has expired and the web page cannot be accessed." It can be seen that the security certificate will also expire, so what should I do if the certificate expires? ?

There are several common reasons for certificate expiration: the date and time in the computer are out of sync. For this reason, we can solve this problem by changing the time in the computer. Click the "Start" menu in the lower left corner, " "Control Panel", "Date and Time", adjust the verification date and time on the computer, which is usually consistent with Beijing time. Then restart the computer. If the time still does not change after the computer is restarted, the host CMos battery can be replaced.

Another reason for certificate expiration is the invalidation of the website security certificate. For this situation of certificate expiration, we need the version of the root certificate. In addition to the certificate expiration prompts in the above situations, there is another situation where when we access the IIS server, the intermediate certificate in the certificate chain expires, causing the certificate to become invalid. Our solution to this situation is:

Delete the expired certificate in the "Intermediate Certificate Authority" in the computer account on the server, update the intermediate certificate file, and force the client to download the certificate chain file so that the client can only verify the validity of the server certificate through one certificate chain. sex.

From the above we can see that the security certificate will expire. The solution to the expired certificate depends on the situation. If you encounter this problem, you can solve it according to the solutions to various situations we summarized above. .

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