How to Repair .NET Runtime Error 1026 in Windows PC

Several Windows users opened Event Viewer and found many .NET Runtime Error 1026 errors occurring in quick succession. Most of the affected users report that every time a new event of this type is created, an application error window also appears. This problem was found in Windows 7, Windows 8.1, and Windows 10.

After investigating this problem, it was found that there are several possible causes of the .NET 1026 runtime error. Below is a list of possible causes of this error.

What causes .NET 1026 Runtime Error?

Error 1026 Logical Error: “Logical error” occurs when the software receives the correct input but produces the wrong output. This occurs when Microsoft’s source code contains a data processing error.

Net error 1026 memory leak: A 1026 memory leak causes the .NET Framework to consume more and more memory, causing your computer to start up slower and slowing system performance. Possible triggers could be endless loops that cause the software process to start over and over again.

Error 1026: This is a common 1026 error execution error that causes a program to stop completely. These errors usually occur when the .NET Framework input cannot be handled properly or when the program does not know what to output.

How to fix the .NET 1026 runtime error?

Disable the .NET Framework and enable it again

  1. In the Windows search box, type “Enable or Disable Windows Features” and press Enter.
  2. When the Windows Features window opens, click the ‘+’ icon next to .NET Framework 4.7 Advance Services to expand the menu.
  3. Uncheck all of the following options.
  4. Uninstall the framework and restart your computer.
  5. Then reinstall the .NET Framework, return to the Windows Features window and click the ‘+’ symbol next to .NET Framework 4.7 Advance Services.
  6. Re-enable all settings and reboot your computer.

Troubleshooting the clean boot state

In Windows, many different drivers, settings and programs interact or communicate with each other at the same time. This diverse environment can lead to software conflicts that can manifest themselves in different ways, such as a .NET 1026 runtime error. Rebooting can help detect and resolve the conflict.

Reinstalling the runtime libraries

  1. Go to Programs and Features, find the Microsoft Visual C++ Redistributable package, and highlight it.
  2. Right-click on it and select Uninstall.
  3. Reboot your computer.

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