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Game won't start D3Dx9_25.dll not found. Prison Tycoon 3 Lock Down For PC's

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You can download that DLL from here.

Simply download and extract the DLL to your 'C:\windows\system\'

Hopefully thats all it needed to run, in many cases that one file is just the tip of the ice burg.

Posted on Sep 16, 2008


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1 Answer

Prison Tycoon 3 Lockdown will not start after Loading?

From what I can tell this link should solve your issue which is a missing .dll file required for direct x to initialize.

Jan 07, 2009 | Video Game Consoles & Games

1 Answer

Installed Prison Tycoon 3 Lockdown. Unable to Locate Component. States This application has failed to start because d3dx9_25.dll was not found. Re-installing the application may fix this problem. Have...

It is a direct x problem. Go to Microsoft's download site and download the latest version of direct x for your computer.

Aug 01, 2008 | Computers & Internet

1 Answer

I tried to install prison tycoon 3 it apeared to install then when i tried to run the game a little sign popped up saying "d3dx9_25.dll was not found can not run"! Then another sign pops up...

Go to to download the file you need. After downloading, move the file to the following location on your system: C:\WINDOWS\system32

If this doesn't work, go to to download and install a new copy of DirectX.

May 31, 2008 | Video Game Consoles & Games

1 Answer

When loading prison tycoon 3 there is an error called d3x9_25.dll was not found

This could be solved by installing DirectX 9.0c
Option 1:
Follow the instructions in the link and when prompted to Save/Open select open.
If this does not work follow the option below
Option 2:
Follow instructions and when prompted Select Save. When the file is downloaded , unpack the files and the run the DXsetup.exe file

After installing the DirectX 9.0c reboot the computer

May 20, 2008 | Computers & Internet

1 Answer

I just got my new game Prison Tycoon 3, but it will not run the game. It keeps on saying that there was no d3dx9_25.dll found. what do i do? please help me, i`m new to all of this. thank you.

I think DIRECTX is messed up on your computer. DIRECTX is what the game uses to run properly. Normally DIRECTX comes with your computer. Lets try reinstalling it
heres the link:

Hope this helps

Thanks for reading!

May 02, 2008 | Computers & Internet

1 Answer

When starting up prison tycoon 3 it stops and says missiing components

Try deleting Prison tycoon. Get to remove all aspects of the game and reinstall. This sould fix the problem, I had the same problem w/ Rollercoaster Tycoon.

Apr 28, 2008 | Video Game Consoles & Games

1 Answer


Click this LINK for a complete walkthrough of Prison Tycoon.

Hope this helps, and please don't forget to rate me.
Take care!

Feb 28, 2008 | Computers & Internet

1 Answer

Prison tycoon 3

make sure you have the current version of Direct X installed, check the system requirments and be sure your system can handle the game.

I did a little reseacrh and its a file thats on the disk that should be copied when the game is installed, are you using a burned copy or the original?

Its a registry file thats not getting copied right, thats bassically it.

try this out, download it, scan for viruses as every good Nerd/tech would do and if its clean, unzip and install and see if it works. Lety me know.

extract the file to your windows\system directory

i downloaded it and scanned it but do so anyway for safety.

Hope this helps

Feb 16, 2008 | E-Machines eMachines Desktop PC

5 Answers

Prison tycoon 3


u can go to this site...this will help in case of missing or download dll's or errors in dll's..!!

I also registered few dll's from this site...worked in my case :)

Dec 15, 2007 | Computers & Internet

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