Windows 7 Code 9C59 IE 11 Error Occurs? Try 6 Fixes Now!

Solve the code 9C59 error that occurs when installing IE11 on Windows 7 system

It is a common problem for Windows 7 users to encounter a code 9C59 error when installing Internet Explorer 11 (or IE10). This article provides six effective ways to easily resolve this error.

Error description: In Windows 7 system, when installing updates through Windows Update, a code 9C59 error may appear, displaying the message "Some updates are not installed" and prompting "Code 9C59: Windows Update encountered an unknown error". This error usually occurs when trying to install Internet Explorer 11 or IE10.

Cause of error: Code 9C59 errors may be caused by a variety of factors, such as corrupt Windows Update components, update restrictions, Kaspersky software conflicts, system file corruption, etc.

Solution:

Method 1: Install all updates except IE11 first

First install all updates (except IE11), and then install IE11 separately.

1. In the error window, click "View Important Updates" and "View Optional Updates", or check for available updates.
2. Uncheck Microsoft Internet Explorer 11 updates to install all other updates.
3. After the installation is complete, try installing Internet Explorer 11 through Windows Update. If the problem persists, try the following other methods.

Method 2: Install Internet Explorer 11 offline

Using an offline installer to install IE11, you can avoid the code 9C59 error in Windows Update.

1. Open the browser and access the Internet Explorer 11 download page (for example, for Windows 7 32-bit systems, visit https://www.microsoft.com/en-us/download/details.aspx?id=40907).
2. Select the language and click "Download" to get the 64-bit offline installer.

3. Double-click the .exe file and follow the on-screen instructions to install.

Alternatively, you can uninstall an older version of Internet Explorer through the Control Panel and reinstall IE11.

Method 3: Delete SoftwareDistribution folder

The SoftwareDistribution folder stores the files required for Windows to install new updates. If this folder is corrupted, an update failure occurs, such as a code 9C59 error. You can delete or rename this folder. (For details, please refer to How to rename or delete the SoftwareDistribution folder on Windows)

Method 4: Run SFC and DISM

System file corruption may cause code 9C59 errors, affecting Windows Update components. Use SFC and DISM to repair corrupt files.

1. Run command prompt as administrator.
2. Enter sfc /scannow and press Enter.
3. Run the command DISM /Online /Cleanup-Image /RestoreHealth .

Method 5: Uninstall Kaspersky software

If you use Kaspersky as your antivirus software, you may get a code 9C59 error when installing Internet Explorer 11. Try uninstalling Kaspersky and then installing IE11.

1. Press Win R key to open the run window, enter appwiz.cpl and click OK.
2. Right-click Kaspersky and click Uninstall. Follow the on-screen wizard to complete the uninstallation.

3. Open a command prompt with administrator privileges and execute the following command: FORFILES /P %WINDIR%\\servicing\\Packages /M Microsoft-Windows-InternetExplorer-\*11.\*.mum /c “cmd /c echo Uninstalling package @fname && start /w pkgmgr /up:@fname /norestart” .
4. Restart the computer and install Internet Explorer 11.

Method 6: Reinstall Windows

If none of the above methods work, please consider reinstalling the operating system. This operation will clear the files on the C drive, be sure to back up the data before installation. (It is recommended to use MiniTool ShadowMaker and other backup software to back up Windows 7/8/8.1/10/11 system)

Summarize:

Try the above method to solve the code 9C59 error that occurs when installing IE11 in Windows 7 system. If there are other effective solutions, please let us know.

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