Archived files like "-ImoutoShare- IS 58.rar" can cover a wide range of topics and themes. Some common examples include:
Open unknown files in a virtual machine to prevent system infection. How to Open and Extract IS 58 -ImoutoShare- IS 58.rar
Sometimes archives are flagged as "corrupt" if they were created with a newer version of WinRAR than the one you are using. Update your software to the latest version. Archived files like "-ImoutoShare- IS 58