How to fix Event ID 1026 error in Windows?

Question

Issue: How to fix Event ID 1026 error in Windows?

Hello. I keep seeing an Event ID 1026 in Event Viewer on my Windows PC. How do I stop these errors?

Solved Answer

When the World Wide Web Publishing Service (WWW Service) encounters a problem, Event ID 1026 is logged in the Windows Event Viewer. This error occurs when the service tries to secure the handle of the application pool%1 from HTTP.sys, the kernel-mode driver responsible for HTTP request processing.

This problem can have serious consequences for users who rely on the affected application pool or web server. The affected application pool may fail to start or function properly if an error occurs. As a result, websites or web applications linked to the application pool may become inaccessible or suffer from performance issues.

This can cause a service disruption, affecting the availability and usability of the affected web resources. Users may be unable to access critical web services, encounter errors when attempting to access web pages, or experience slow response times.

To resolve the Event ID 1026 error, you must conduct extensive troubleshooting and identify the underlying cause. Depending on the specific circumstances and configuration of the affected system, there are several potential solutions that can be tried. It is important to note, however, that troubleshooting and resolving this error may necessitate advanced technical knowledge and expertise.

One possible solution is to ensure that all of the application pool's and web server's dependencies and prerequisites are properly installed and configured. This includes checking for and ensuring the correct versions of supporting software components such as the .NET Framework^[1] or Internet Information Services (IIS).

In this guide, you will find 4 steps that should help you fix Event ID 1026 error in Windows. You can also try using a maintenance tool like FortectMac Washing Machine X9 that can fix most system errors, BSODs,^[2] corrupted files, and registry^[3] issues. Otherwise, follow the step-by-step instructions below.

Solution 1. Fix Corrupted System Files

Use Command Prompt commands to repair system file corruption:

• Open Command Prompt as administrator
• Use the following command and press Enter:
  sfc /scannow

• Reboot your system
• If SFC returned an error, then use the following command lines, pressing Enter after each:
  DISM /Online /Cleanup-Image /CheckHealth
  DISM /Online /Cleanup-Image /ScanHealth
  DISM /Online /Cleanup-Image /RestoreHealth

Solution 2. Install the latest version of .NET Framework

• Visit the official .NET Framework download page.

• Click on the latest version available.
• On the next page, click the link to download the runtime version.
• Double-click the downloaded file.
• Follow the on-screen instructions to complete the process.

Solution 3. Run the .NET Repair Tool

• Open your browser and access the Microsoft .NET Framework Repair tool download page.

• Click on the Download button (under Microsoft .NET Framework Repair Tool).
• Check the NetFxRepairTool.exe box and uncheck everything else, click Next.
• Double-click on the installation executable that you just downloaded, click Yes when prompted at the UAC (User Account Control).
• Follow the on-screen instructions and check the I have read and accepted the license terms box when prompted by the ToS before clicking on Next.
• The utility should have already begun the scanning of the .NET dependencies installed on your computer, wait until the process is complete.
• Click on Next to automatically apply the repair strategy that the utility recommends.
• Click on Finish to complete the process and restart your PC.

Solution 4. Perform an In-place Upgrade

• Visit the official Windows download website.
• Choose the Windows version.

• Click on the Download Now button under the Create Windows Installation Media section.
• Double-click the downloaded file to launch it.
• Wait for Windows to prepare the setup.
• Click the Yes button when prompted.
• Accept the License Agreement.
• Wait for Windows to download the required updates.
• Choose whether to keep your files and apps or not.
• Leave the recommended settings, which is to keep your files and apps since this is an in-place upgrade.
• Click the Install button to start the in-place upgrade.
• Wait for Windows to copy the necessary files to upgrade your device.
• Restart your PC.

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