If your default extractor isn't working, you can reset the association to Windows Explorer in your Default Apps settings . Are you trying to program a new feature into an app, or Cannot open pdf.zip files - Adobe Community
Use a tool like 7-Zip or WinRAR to re-compress the folder and select "Encrypt file names" and set a password. 3. Change File Associations File: DO.NOT.OPEN.zip ...
Sometimes long or complex names cause extraction failures. If your default extractor isn't working, you can
The most robust "built-in" feature for a .zip file is encryption. This prevents anyone from seeing or extracting the contents without a key. If your default extractor isn't working