is there a software that can protect my files against unauthorized...

Like the title says

Is there a software that can protect the files that i copied from my usb to a pc and it wont get copied i mean like this

from my pc->to my usb->to another pc2->pc2 tries to copy to another usb but is not allowed..... or just similar software to that...i'd need one of software similar to it

Have you considered encryption?

BitLocker Drive Encryption - Windows 7 features - Microsoft Windows

BitLocker Drive Encryption - Windows 7 Drive - Turn On or Off with no TPM (see related tutorials at bottom of this tutorial))

TrueCrypt - Free Open-Source On-The-Fly Disk Encryption Software for Windows 7/Vista/XP, Mac OS X and Linux

marsmimar said:

Have you considered encryption?

BitLocker Drive Encryption - Windows 7 features - Microsoft Windows

BitLocker Drive Encryption - Windows 7 Drive - Turn On or Off with no TPM (see related tutorials at bottom of this tutorial))

TrueCrypt - Free Open-Source On-The-Fly Disk Encryption Software for Windows 7/Vista/XP, Mac OS X and Linux

well yep...but it just encrypts your hard drive right? i herd about trucrypt been using it for 1 yr
i was wondering if such software exists to forbid the files i transferred to be transferred gain to another storage device....

Changing permissions? Sorry if this isn't what you're looking for.

Permissions - Allow or Deny Users and Groups

marsmimar said:

Changing permissions? Sorry if this isn't what you're looking for.

Permissions - Allow or Deny Users and Groups

that helped maybe ill try this for now as a solution thanks btw for your quick replies :)

You're welcome. Let us know how it works out for you.