Message with code 0x80070643 "An unrecoverable error occurred during the installation": what it means and how to fix the problem

Quite often, when updating the system components of Windows systems, when installing or uninstalling some specific programs and updating them, you may encounter a message with the code 0x80070643 "An unrecoverable error has occurred during the installation." Failure is not critical in principle, nevertheless it is very annoying, and the computer system begins to freeze, slow down, some applications refuse to work, and so on. Hereinafter, several basic methods will be given to correct this situation. In any case, at least one of them will help to fix the problem.

What does the message with the code 0x80070643 mean “During the installation, an fatal error occurred”?

Almost all experts note that this situation is associated exclusively with one component of the system - the Microsoft .NET Framework.

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