One of our readers reported that all the file extensions have changed to some unknown file format. If so, it could be a virus! If a virus has changed all the files extensions to unknown applications, ...

Easily set or remove default applications for specific file extensions programmatically, with full registry integration. This repo contains both a C# library and a .NET tool for managing file ...

Click Remove file association (User). The user-specific association for the chosen file type is now removed from the registry. The system will now use global file association settings. The Remove file ...