Disable EOL uninstall warnings: Disable auto updates when installing Add "EOLUninstallDisable=1" to mmc.cfg in C:\WINDOWS\system32\Macromed\Flash (C:\Windows\SysWOW64\Macromed\Flash on 64-bit) --- Defuse flash player time bomb: Time bomb trigger is the timestamp 1610409600000.0 encoded in double precision floating point (0x42776f3e46400000): 00 00 40 46 3E 6F 77 42 replace with NaN: 00 00 00 00 00 00 F8 7F C:\WINDOWS\system32\Macromed\Flash (C:\Windows\SysWOW64\Macromed\Flash on 64-bit) Flash32_32_0_0_453.ocx (offset: v453: E1D968, v465: E1DBD0) NPSWF32_32_0_0_453.dll (offset: v453: E3A2E0, v465: E3A32A) pepflashplayer32_32_0_0_453.dll (offset: v453: CBFCE0, v465: CBFCB8) C:\WINDOWS\system32\Macromed\Flash (64-bit): Flash64_32_0_0_453.ocx (offset: v453: 12AF6A8) NPSWF32_32_0_0_453.dll (offset: v453: 128FBD8) pepflashplayer32_32_0_0_453.dll (offset: v453: 15F6C30) NOTE: Flash32_32_0_0_453.ocx (and Flash64) will always be write protected - rename it to Flash32_32_0_0_453.bak - save edited copy as Flash32_32_0_0_453.ocx - to delete the backup file: - properties > security > advanced > delete the "DENY Everyone" permission