A method to save your software for reinstalling the operating system is available.
A method to save your software for reinstalling the operating system is available.
You need to reinstall your operating system because some programs weren't set up properly before. Since you can't find the installation file anymore and the software company has disappeared, you might still have the program installed on your current broken OS. You could try transferring it to your new OS using a backup or by following any available recovery options provided by the software developers.