How does win7 reinstall Windows system updates and patches after uninstallation?

Windows often needs to install system updates and patches when it is used. After installation, it can generally solve some bugs in the system and improve the security of the system. But sometimes automatic updates will also install some system updates and patches that we don't want to install. Can these system updates and patches be uninstalled? After uninstalling, what should I do if I want to reinstall? This experience uses Windows 7 as an example to show you how to uninstall Windows Updates and how to reinstall them after uninstalling.

1, Windows installation system updates are recorded, so we can easily view the installation of those updates, and can manage them, for example, if they do not need to, uninstall them . However, it should be noted that some critical updates and updates involving major security vulnerabilities cannot be uninstalled.

Open the “Control Panel - Programs  you can view the system updates for Windows installations.

2, go to “Control Panel - Programs, and click Open “View Installed Updates”.

3, after Windows will search and display the installed system updates, each system update, generally can find relevant instructions on the Windows technical support website. If you need to uninstall an update, select the update and right click to "Uninstall".

4, some updates, after uninstallation, you may need to restart your computer to take effect.

5. After uninstalling, the update is removed from the operating system. So if you find an uninstall error, how do you reinstall it? First, based on the updated update code, we can find the update from the Microsoft Technical Support website, such as the one we uninstalled above, KB3035583”, and the description of the update is as follows.

This update is for Windows 7 SP1 and Windows 8.1 user notification updates "Get Windows 10", with which Windows 7 SP1 and Windows 8.1 users can subscribe to Windows 10 updates. In the "How to get this update" column, you can see that the update can only be obtained through “Windows Update", and cannot be downloaded directly.

6, then we need to check the update in Windows Update. Windows that automatically updates is automatically checked for system updates when the system is restarted, or when the specified time is reached. Open “Control Panel - System & Security”.

7. In the "System Security" window, open “Windows Update" or “Windows Update", you can check and view Windows updates.

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After checking for updates, Windows can allow you to choose which system updates to install. Click Update to open a window for selecting updates.

9. In the "Select the update to be installed" window, select the system update you want to install, click “OK” to return. By the same token, if you don't want to install an update, you can uncheck it so that Windows will not install it again.

10, the next step is to wait patiently for the Windows update installation. Windows updates are done in the background, which is of course you can choose to do other things, do not have to wait silly.

11. After the update is completed, the selected system update is completed. Some updates may require a restart of the computer, if necessary, restart the computer after the work is completed, the update is complete and effective.

Other Ways

1. Due to special domestic reasons, many people should still be accustomed to using Windows' own system updates, so there are many third-party assistants to help users update. Computer to prevent the computer from being attacked for security reasons.

The best thing to do is to have the highest market share. Of course, there are 360 ​​security guards. In the "vulnerability fix", you can directly scan the installation system update.

2, of course, Baidu Guardian also has a similar function, one-click scanning can view and install system vulnerabilities.

3, after the free Kingsoft Internet Security has a similar function, Kingsoft Internet Security or Jinshan Guardian have related channels to enter the loophole repair.

4. Of course, as the largest domestic user group, Tencent Computer Manager has similar functions. You can scan and repair system vulnerabilities directly into the vulnerability repair section.

Note:

1, if not necessary, please do not uninstall Windows Update easily, otherwise it may cause Windows system to crash and be unstable.

2, key security updates, please do not uninstall easily.

3, this experience is shown in Windows 7, the same applies to Windows 8/8.1.