On my PC running Windows XP, the above entry, included, I believe, in winapp2.ini v4.00.130412, broke scanning
software for my HP printer by removing registered TWAIN Data Stub DLL/Module file
C:\WINDOWS\twain_32\hpqgnds2.tmp
which has an unfortunate filename extension for a registered file, and forced me to recover file/reinstall scanning
software from HP installation CD to get scanning software working again.
Please remove this entry for [Twain Temp Files*] from winapp2.ini or add severe warning that this will break HP printer
scanning/digital imaging software.
Thanks in advance!