Which programming language is most suitable for this project??

I've got this idea to create a useful program but need assistance as to which programming language I could quickly study and use for the dummy.
The program is intended to be run on different machines(win XP, Vista,7) all connected to a network (intranet) from different locations. The program is to be a lightweight alert software which runs quietly in the background. The software's main function is to display a designed information message whenever the user types a certain account number or name that has been listed in a database/blacklist.

The display message should not be in windows explorer, but a system display, slightly transparent, well designed message which disappears after a few seconds; similar to antivirus warning pop-up messages.

The software should be programmed to update the list of account numbers and names at start-up and every 30 mins. The program should run at startup always and never be closed only hidden. Which programming language would be suitable for coding this software quickly and effectively??

C++ or C# would give you access to the Windows APIs you would need to create something like that. VB might be able to do it too, although I'm not sure on that one. If you have no programming experience you're still a year or two away from being able to program something like that.

Note that software like this may actually be illegal where you are (though I'm not a lawyer). You're proposing writing an app that tracks keystrokes, analyzes them, matches patterns against a running blacklist, and interrupted their OS when you don't agree with their typing. There's nothing stopping you from recording their keystrokes entirely, grabbing online banking passwords, etc. If this is for a corporation, the employees will be VERY unhappy to learn that their keystrokes are being recorded. If it's for another use, this is almost definitely a trojan horse virus.

this is nothing illegal, its just a reminder or alert sofware designed for customer service officers of a corporate firm to alert them of special instructions when they are processing entries for certain accounts. the software just pops up an informative message when the account number is typed. dont need the keylogger function as a whole.

It's still a keylogging piece of software, you just pinky swear that you're not saving the keystrokes. It's going to be very difficult to write what basically amounts to a trojan horse virus which interfaces directly on the keyboard at the driver level. Just be careful with this, both ethically and legally.

I think php is the best language for creating this project...

I agree on using either C/C++ and VB on this. I have a friend who was able to program the whole software using a combi of C/C++, yet I don't know the other language used.

really PHP??? a server side scripting language that has no methods of creating system dialogs or access to the keyboard??

As far as I am aware VB.NET will not be able to access the keyboard events while not in focus, maybe if its compiled as a service which iv never messed with before with VB.NET. I would use C++ but as stated above these are not languages that can be learned in a matter of weeks without becoming an infamous (ctrl+CV Developer)

If you have no programming experience you're still a year or two away from being able to program something like that.
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i believe this is exactly what a member posted a little while ago. like completely copied and pasted