id summary reporter owner description type status milestone component version severity resolution keywords cc 1555 Regwrite Reg_Dword does not write correct value Emiel Wieldraaijer "Hi All, The following code does not write hex ffffffff but hex 7fffffff. {{{ $HKCU = ""HKEY_CURRENT_USER"" If @OSArch = ""X64"" Then $HKCU &= ""64"" EndIf Msgbox (64, ""HEX"", Hex(4294967295)) RegWrite($HKCU & ""\Software\Microsoft\Test"", ""Test"", ""REG_DWORD"", ""4294967295"") MsgBox(64, ""Information"", RegRead($HKCU & ""\Software\Microsoft\Test\"", ""Test"")) }}} " Bug closed AutoIt 3.3.6.0 None Works For Me RegWrite Reg_Dword