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IaMP English Patch v1.1 Released

An update to the English patch has been released with some minor fixes. View the rest of this post to see a list of the changes.

You can download the patch here. More information can be found on this page at the IaMP wiki.


  • Fixed excessive CPU usage bug.
  • th075e.exe no longer spawns a command prompt window.
  • th075e.dat can be read from any directory.
  • Added config_loader.exe, which runs the config program without the need for compatibility mode. Optional.
  • Various dialogue fixes.


  1. February 28th, 2009 | 10:41 pm

    Can the patch be directly installed over the 1.0 version?

  2. mauve
    February 28th, 2009 | 10:44 pm

    Yes. There are no problems installing over an existing installation.

  3. February 28th, 2009 | 11:46 pm

    Alrighty. Thanks a lot!

    Seriously, the end of February has just been massive, especially for Western Touhou fans. MoF English, SA English, UFO announcement…

  4. Hidden
    March 1st, 2009 | 11:36 pm

    I recently got into IaMP.

    I patched it up to v1.11 and the japanese version is running fine. However whenever I want to run the english version if tells me that this version is not patched to 1.11 :\ Any idea why jap.version works and engl.version not?

  5. mauve
    March 2nd, 2009 | 12:15 am

    Are you sure it’s running v1.11? That is, the title bar of the window of the game says that?

    The specific check it does at that time is it looks to make sure th075b.dat exists and that th075.exe is at least 2576000 bytes(The correct size is 2576384). If either of these fail, then it will assume it’s not patched.

  6. Hidden
    March 2nd, 2009 | 9:13 am

    The problem with the title bar is, that my laptop cant display japanese letters correctly for whatever reason, so what I see there is “CE ûä-2’z`” or something like that. I dont know if that means 1.0 or 1.11 :\

    However it is only 2112kb or 2162688byte I assume its not patched … Even though I downloaded the 1.11 patch from the page and ran it (but then again, weird japanese so I dont really know what happened where …)

    So basically, am I running v1.0?

  7. NyuChu77
    March 2nd, 2009 | 11:36 am

    Thanks mauve! ^_^

  8. mauve
    March 2nd, 2009 | 12:47 pm

    Yeah, you’re on v1.0 or whatever. Didn’t get patched up correctly for some reason. Not sure why, but the likely problem is that you probably tried to patch on an English system to a folder that had kanji in it or whatever. Try removing Japanese characters from the folder and repatching.

  9. zilverblitz
    March 3rd, 2009 | 6:08 am

    when will the Fansubber sub SWR?… <_< ???

  10. March 3rd, 2009 | 11:37 am

    This better work in Wine now… OR ELSE!…

    …or else I’ll cry myself to sleep tonight ;_;

  11. mauve
    March 3rd, 2009 | 1:11 pm

    ..I’ve been running it and the netplay client through Wine for a very long time. In fact, I developed most of it in Linux.

    I do know that 1.1.12 and 1.1.14 have major problems with it for some reason. 1.1.13 and 1.1.15 are fine, though.

  12. ultramage
    March 3rd, 2009 | 6:18 pm

    Hm, I wonder. In the previous version I noticed that Alice’s first bad ending has shows number ’32’ when in reality it should be ’23’. Did this patch correct the typo?

  13. mauve
    March 3rd, 2009 | 6:23 pm

    Yes, that typo was fixed.

  14. March 14th, 2009 | 11:46 pm

    Thanks a lot for this.

  15. arielaol
    March 21st, 2009 | 9:21 am

    im runing on vista 64bit and i cant get the patch 2 work… any ideas?

    heres the code:

    error opening the file for writing:
    C:\program Files (x86)\東方萃夢想\th075e.exe
    click abort to stop instalation
    retry or ignore….

  16. Arcenio
    April 5th, 2009 | 5:56 pm

    I’m also running Vista, the patch doesn’t seem to work for me either. When I have to select my Iamp folder, I can’t select any folders, so I can’t continue the setup….

  17. mauve
    April 6th, 2009 | 11:24 am

    arielaol’s problem comes from lack of permissions to write to the IaMP directory. Vista requiring escalated user privileges or something. Don’t have Vista here.

    The installer will allow you to go forward if it finds both th075.exe and th075.dat in the selected directory. If it doesn’t find these it won’t let you install there. That it wouldn’t let you get past that on a proper IaMP installation is a bit strange, though, and I would suggest you check what you’ve got a little more thoroughly.

  18. Arcenio
    April 8th, 2009 | 11:37 am

    Ahhh, so that’s the problem. I changed the name of my .exe file to Touhou 075. So if I change the name back to th075, the patch should work? Thank’s for the help!!!

  19. May 27th, 2009 | 6:58 pm

    Ya know… I downloaded this, and tried to play the english version but it says I have the demo version when I got it from Tasofro.

  20. Anne
    August 8th, 2009 | 8:43 am

    I just downloaded Immaterial and Missing Power english says to choose the folder where IaMP is but the OK button is not highlighted so the game cannot be patched!!!What should i do?!

  21. THFlandre
    August 30th, 2009 | 5:25 pm

    I applied the patch, but don’t see th075e.exe… and when I use the shortcuts, It tries searching for it…

  22. Nubcake
    January 4th, 2010 | 9:46 pm

    I got the patch installed and sorta working. I mean, it gives me errors and stuff, but i can get it to actually play.

    Any Windows 7 users that have the same problem?

  23. Kisuke
    April 13th, 2010 | 7:16 pm

    Hello, anyone can help me please? I try to play the game but got an “DInput-Error” window with the message “Could not find pad” two times.

    I patched the 1.1 version without problems, but i can’t play, what can i do? Please.

  24. DecemberRoflcopter
    September 12th, 2010 | 4:54 pm

    I downloaded the English Patch and IaMP,but IaMP will not play due to an application crash…What should I do?

  25. Bogus
    October 23rd, 2010 | 2:25 am

    Why I cannot load this file all of 100%? It only was 20-30% And then it out of connection….

  26. kGOLLEY
    December 3rd, 2010 | 2:43 pm

    Why these games takes up so many files?

  27. February 8th, 2011 | 1:57 am

    hate to be posting on old posts and all but I just installed the patch to replay this game with English (finally >_<) and after the patch installed I could no longer get spell cards to work :( wondering if it's a patch problem or something other

  28. :/
    March 21st, 2011 | 3:24 pm

    English patch doesn’t work for me.
    I’m Windows 7 64bit user.
    When I try to run th075e.exe it loads something for a bit and then nothing happens.
    Without patch it works just fine. It’s only when I’m trying to run th075e.exe.
    Tried compatibility modes etc. but didn’t help. Please help.

  29. .-
    May 14th, 2011 | 9:03 pm

    I’m having the same problem as the above guy, I also have Windows 7 x64… I keep getting the annoying “th075e.exe has stopped Working” error as soon as I try to run IaMP, but the unpatched game runs just fine

    I have the exact same problem with SWR, I can play the game but I can’t play it with the english patch installed (I tried with compatibility mode and applocale but nothing works)

    can somebody help?

  30. Zascho
    July 25th, 2011 | 12:45 am

    Bump for Win7 64-bit users… :/

  31. IJ
    August 3rd, 2012 | 3:39 pm

    I’m going to bump this to Mauve. The way he solved 10.5 launching under Win7 amd64 might be solved the same way.

  32. IJ
    August 3rd, 2012 | 5:25 pm

    We have an update. You can download an updated version of the TH075E.EXE here:

    Hope this helps!

  33. IJ
    August 3rd, 2012 | 5:25 pm

    And a note, you need the latest patch already installed. This replaces the file that came with that patch.

  34. JohnAdams
    August 12th, 2012 | 4:03 am

    Mauve, you are the greatest person in the history of the world. IJ is a close second for bringing this to him.

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