What should I do if my computer certificate expires?

Your computer certificate has expired, is it annoying? Don't worry, PHP editor Xigua has provided you with a solution. This guide will detail the reasons for certificate expiration, its impact, and how to easily renew it. Read on to learn the steps you need to take to resume normal use of your computer and avoid the inconvenience of an expired certificate.

1. What should I do if my computer certificate expires?

Open the console while the computer is running, add certificates, delete expired certificates, and reopen the web page to install the required certificates. Methods to solve the problem of expiration of security certificate when opening a webpage:

1. Press Windows + R keys to open "Run", enter "mmc", click "Confirm" to open the console.

2. Click "Add/Remove Snap-in Unit" in the file.

3. Find "Certificate" and click Add.

4. When the management window pops up, select "My User Account" and click Finish.

5. When the certificate appears on the right, click OK.

6. Open the website certificate->Trusted Root Certification Authority->Certificate.

7. Find the certificate that needs to be deleted on the right and delete it.

8. When you reopen the webpage that requires a certificate, the webpage will remind you that you need to install the certificate. Click to view the certificate and click to install.

2. What should I do if the laptop certificate expires?

1. Turn on the computer and press the shortcut key on the computer desktop to open the window (the Window key is the key between Ctrl and Alt);

2. Then enter "mmc" in the input box and click it, and it will open;

3. After that, the console page will appear, and then click, Options;

4. Select Click Options in the list on the left side of the pop-up window;

5. Select in the window, click Options;

6. Click the mouse on the list on the right to see options, and then click Options;

7. Expand --, find the certificate that needs to be deleted in the list on the right, delete it, and reopen the website that requires the certificate. The website will prompt that the certificate needs to be installed. Just click, click -.

3. What should I do if the Mac computer certificate has expired? The webpage cannot be loaded?

This requires a renewal of the certificate from CNKI. The Let’s Encrypt certificate has expired

4. What should I do if the computer Internet certificate has expired?

First check whether the computer time is consistent with the current time. If the time is inconsistent, the browser certificate may expire.

If there is no problem with the time, you can try to reinstall the certificate of the website. The specific operation method is as follows:

1. Press the Windows + R keys to open "Run", enter "mmc", click "Confirm" to open the console.

2. After entering the console interface, click "Add/Remove Snap-in Options from File".

3. After entering the add or delete snap-in interface, find the certificate and click Add.

4. Select "My User Account" in the account of the certificate management unit and click "Finish.

5. After there is a "Certificate" unit in the right list, click "Confirm".

6. Expand "Certificate" ”=》“Trusted Root Certification Authority”=》“Certificate”, find the certificate you need to delete in the list on the right (for example, the certificate name of China Construction Bank is “CCBC”), and then delete it.

7. After reopening the website that requires a certificate, the website will prompt you to install the certificate. Just click "View Certificate" and click "Install Certificate" => "Install to a Trusted Root Certification Authority"

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

1. If 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. Check. After 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/Remove Snap-in". .

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 and delete it. After deleting it, save it, reopen the website that requires the certificate in the browser, and click Install Certificate -> Add/Remove Snap-in according to the prompts.

6. The computer security certificate has expired. What should I do?

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

Author: GDCA

Link:

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

일반적으로 인증서가 만료되는 데에는 몇 가지 일반적인 이유가 있습니다. 컴퓨터의 날짜와 시간이 동기화되지 않은 이유는 왼쪽 하단에 있는 "시작" 메뉴를 클릭하여 컴퓨터의 시간을 변경하여 이 문제를 해결할 수 있기 때문입니다. 코너에서 "제어판", "날짜 및 시간"을 차례로 선택하여 컴퓨터의 확인 날짜와 시간을 조정합니다. 이는 일반적으로 베이징 시간과 일치합니다. 그런 다음 컴퓨터를 다시 시작하십시오. 컴퓨터를 다시 시작한 후에도 시간이 여전히 변경되지 않으면 호스트 cmos 배터리를 교체할 수 있습니다.

인증서 만료의 또 다른 이유는 웹사이트 보안 인증서의 무효화입니다. 이러한 인증서 만료 상황에서는 루트 인증서 버전이 필요합니다. 위 상황의 인증서 만료 메시지 외에도 IIS 서버에 액세스할 때 인증서 체인의 중간 인증서가 만료되어 인증서가 무효화되는 또 다른 상황이 있습니다. 이 상황에 대한 해결 방법은 다음과 같습니다.

삭제. 서버의 컴퓨터 계정에 있는 "중간 인증 기관"의 만료된 인증서, 중간 인증서 파일을 업데이트하고 클라이언트가 인증서 체인 파일을 다운로드하도록 강제하여 클라이언트는 하나의 방법을 통해서만 서버 인증서의 유효성을 확인할 수 있습니다. 인증서 체인.

위에서 보안 인증서가 만료된다는 것을 알 수 있습니다. 만료된 인증서에 대한 해결 방법은 상황에 따라 다릅니다. 이 문제가 발생하면 위에서 요약한 다양한 상황에 대한 해결 방법에 따라 해결할 수 있습니다.

전 세계적으로 신뢰할 수 있는 CA 에이전시

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