this tutorial for fix missing driver your devices (cannot be detect by itunes/iFunbox/iTools/iExplorer) after update itunes, or reinstal/instal itunes not solved this problem
ok let's begin
1.if you have instal app/games with itunes or backup data your devices,make sure your backup this forder (skip this if you not have backup your devices with itunes, or instal app/games with itunes )
-C:\Users\pc name\Music then copy folder iTunes to other drive
-C:\Users\pc name\AppData\Roaming then copy folder Apple Computer to other drive
2.uninstal itunes and other app itunes
-itunes it self
-bonjour-apple software update
-apple mobile device support
-apple application support (64-bit) and apple application support (32-bit) (*if you os is 32 bit/x86,"apple application support (64-bit)" not avaible)
3.now we clean other file itunes
-delete folder iTunes in C:\Users\pc name\Music\iTunes
-delete folder Apple Computer in C:\Users\pc name\AppData\Roaming\Apple Computer
-delete folder Apple and Apple Computer in C:\ProgramData
4.now instal new itunes,then connect your devices
sory my english bad