What should I do if my IE certificate expires?

Try antivirus first, then try to fix IEStill doesn't work.,Finally reinstall IE.Let's not talk about antivirus.

Repair IE, there are more software, and the general one is still 360...Check the Trojan first. Check for malicious plug-ins again.

If you think it's a file association, start menu --- run--- enter cmd, press enter--- enter the following for %i in(c: windows system32 *.).dll) do regsvr32 s %i wait for it to stop, and it's usually fine.

If it doesn't work, you have to fix the following winsock, enter the command netsh winsock reset is not good and you can only repair the lsp, 360 security guard has this function, start the 360 --- advanced --- advanced tools--- lsp repair tools--- there is really no way, so you have to reinstall. You first ** good, you want to install the Internet Explorer. Then go to the control panel and find Add or Remove Programs, and put IE?

I don't know how many yours are, uninstall them. Then reinstall IE(I don't know if you use IE, I do.)

If you are an XP system, there is a bad place to install IE6, I hope you pay attention. IE6 SP2 belongs to Windows XP SP2 As long as the XP SP2 patch is played, there will be IE6 SP2 Install IE6 SP1 on the XP, reboot and hang up immediately, but after choosing the last correct configuration, you can have both fish and bear's paws.

This solution is applicable to XP Vista Win7 system.

Problem Description]:

Figure 1 Problem Analysis].

This may be due to a system time change or an application that validates other certificates, including security certificates, that has been installed in the operating system and is no longer valid.

Easy Steps]:

Solution 1: The adjustment time is the latest time.

Scenario 2: Reinstall the certificate - Restart IE

Solution]:

Synchronize the current time.

Double-click [Time Bar] in the lower right corner of the taskbar to bring up the system time setting window, verify whether the system date and time are synchronized with the current date and time, if not, modify it to the latest date and time. Figure 2

If the system date and time are synchronized, you can click View Certificate on the Security Alert page, then click Install Certificate and click Next until Complete, turn off IE after the certificate installation is completed, restart the computer, and then log in to the relevant webpage. (Figure 3)

Both Alipay and Tenpay's digital certificates have a time limit and will prompt an error if they expire.

Alipay digital certificates are time-limited and valid for 1 year. It is valid for 1 year (365 days, accurate to the second) from the date of successful application. When the expiration date of the digital certificate is approaching, Alipay will prompt you to update the digital certificate on the "My Alipay" page one month in advance.

Figure 6: Reinstall after removing.

Reinstall after removing.

1. The browser prompts that the security certificate is expired or wrong, first check whether the time of the computer is consistent with the current time, if the time is inconsistent, the browser certificate may expire.

2. After checking the current time of the system, start to reinstall the ** certificate, press Win+R to open the run, enter "mmc", and click OK.

3. After entering the console 1 interface, click "File-> Add Delete snap-in".

4. After going to the Add or Delete snap-in interface, find the certificate and click Add.

5. After entering the certificate management interface, select "My User Account" and click Done.

6. You can see that the certificate has been added to the root node of the console, click OK.

7. Click the root node of the console - > certificate - current user - > trusted root certificate authority - > certificate, find "certum ca" on the right side to delete, save it after deletion, reopen the browser that requires the certificate, click install certificate according to the prompts - > add delete snap-in, and it's done.

1. The date and time in the computer are not synchronized with the web page certificate expiration solution: Step 1, we can solve this problem by changing the time in the computer, click the "Start" menu in the lower left corner --- the control panel "--date and time"; Step 2: Adjust the verification date and time on the computer, which are usually consistent with Beijing time. Step 3: Then restart the computer to solve the problem of what to do if the web certificate expires.

Note: If the time has not changed after the computer restarts, you need to replace the CMOS battery on the motherboard. Step 4: Reopen the browser and try to navigate to a secure website.

2. Another situation of what to do if the web certificate expires: **Security certificate invalidation method to deal withIf this problem occurs when you visit the formal security**, it means that the root certificate in your computer is invalid, then, what should I do if the web certificate expires? Login is required, and the latest version of the root certificate will do.

Summary of the problem of what to do if the web certificate expires, the next time we encounter this situation, the first thing we need to do is to change the time in the computer and the time of the day in Beijing.

This is due to the difference in the time of the computer system and the time of **. Here's how to solve it.

1. Open the start menu, find the "Settings" icon in the bottom left corner, and click to open System Settings.

2. After opening the settings, in the new window, find "Time and Language" and click to open.

3. After opening, click the "Date & Time" menu on the left, and then turn on the "Set Time Automatically" on the right.

4. After the setting is completed, open the computer browser, and the web page can be displayed normally.

The following steps are taken to resolve the issue of the expiration of the security certificate prompted by the browser

1. The first question that comes to mind is whether the date and time of the computer system are correct. If it is incorrect, then change the time of the computer first, and when setting the time, set it to "Internet time". After the modification, reopen the browser and try to see if the security certificate will expire again, if not, it means that it is a matter of time.

2. If there is a problem, then you need to obtain the certificate again and install it again. Press the windows+r key at the same time to open the run window, enter mmc, and press the enter key to run.

3. Select Add to Remove snap-in.

4. Find the "Certificate" option and click Add.

5. Select "My User Account" and click Done.

6. After the certificate appears in the pop-up box, click OK.

7. Select Certificate - Trusted Root Certification Authority - Certificate in order.

8. Find the deletion you want to modify, right-click, and select Delete.

9. Open the webpage that requires a certificate, there will be a prompt when you log in to the page, at this time, you can directly click "View Certificate", and then click "Install Certificate - Install to Trusted Root Certificate Authority", the installation is complete, and you can reopen the browser.

If a prompt such as "security certificate expires" appears when accessing a ** on a computer browser, it means that the security certificate of ** has become invalid and there is a security risk. If you determine that you need to continue to access the **, you can try reinstalling the certificate by following these steps:

1.Start by opening your browser, accessing ** that shows the security certificate issue, and clicking on the travel option such as "Advanced" or "Continue Access" in the prompt.

2.Then, find a message on the page such as "Not secure" and click on "Details" or "Advanced Options" on the right.

3.Find options such as "Certificates" or "Certificate Info", suppress the cheats and click on buttons such as "View Certificate" or "Install Certificate".

4.In the certificate installation wizard dialog box, select the Install Certificate option and follow the instructions in turn.

It is worth noting that the installation of the certificate needs to be operated with caution, and for the unknown ** or the certificate with low trust, try not to install it. If you have any doubts about the security of **, it is recommended to stop accessing it immediately to protect your personal information and data security.