Downloaded files manually not working..

I've installed over 60 softwares during 1 week but it doesnt work when i download manually. I have attached one errroneous software below..

PAL_INSTALL[1] caused an invalid page fault in
module <unknown> at 0000:bff76840.
Registers:
EAX=005501d0 CS=0167 EIP=bff76840 EFLGS=00010246
EBX=005501d0 SS=016f ESP=00550000 EBP=00550014
ECX=00550098 DS=016f ESI=816493c8 FS=11d7
EDX=bff76855 ES=016f EDI=005500c0 GS=0000
Bytes at CS:EIP:
ff 75 0c ff 75 08 ff 55 18 83 c4 10 64 8f 05 00
Stack dump:
005500dc 00550098 005501d0 bff76855 005501d0 005500a8 bff87fe9 005500c0 005501d0 005500dc 00550098 bff76855 00550288 816493c8 0064fb34 00000000

Please help