If you decide to use a specific repair archive like mfw10fixrepairuwpv2generic.rar , you will need a reliable extraction tool. Programs like WinRAR or 7-Zip are industry standards for opening .rar and .zip archives.
: Found in Settings > Update & Security > Troubleshoot , this automated tool is specifically built to fix problems with UWP apps. mfw10fixrepairuwpv2genericrar new
: System files for specific UWP apps becoming unreadable. If you decide to use a specific repair