Windows Registry Editor Version 5.00 ; Open HTA files (used for WPI) with MSHTA.EXE [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.hta] [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.hta\OpenWithList] [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.hta\OpenWithProgids] "htafile"=hex(0):