Registry corruption while registering the extension

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Describe the bug
An invalid registry key with invalid random characters is created while we register the shell extension.

To Reproduce
Steps to reproduce the behavior:

1. Register the shell extension
2. Open Registry Editor
3. Look at the invalid registry keys created under Computer\HKEY_CLASSES_ROOT.

Expected behavior
The expected registry key should be ShellExtension.ShellAnything.1.

Screenshots
N/A

Environment

• OS: Windows 10

Additional context
N/A

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The error is located here

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Note that the invalid registry keys are not affecting Windows system stability. Every time you register the shell extension, it creates an invalid registry key which is polluting your registry. The worst case is that your registry looks ugly when you view it with Registry Editor.

You can clean up your system with the following steps:

1. Open Registry Editor.
2. Look for registry keys under Computer\HKEY_CLASSES_ROOT which are named with weird characters. For example: HKEY_CLASSES_ROOT\P�°�.
3. Double check that weird registry keys have a Default value set to ShellAnything Class.
4. Delete the invalid keys.