Tool ((free)) Download Portable: Efixer

In rare cases, repairing associations can expose deeper registry corruption. Try running System Restore from within File Extension Fixer (look for the “Enable and run System Restore” link). Alternatively, run an SFC /SCANNOW command from an elevated Command Prompt after you have fixed EXE associations.

, primarily targeting Oppo, Vivo, and other devices with MediaTek (MTK) or Qualcomm chipsets. It is designed to work via ISP (In-System Programming) efixer tool download portable