# Error castor reconstruction SIMIND

**URL:** <https://castor-project.discourse.group/t/error-castor-reconstruction-simind/404>\
**Category:** General Discussions\
**Tags:** spect\
**Created:** [September 16, 2022, 4:52pm UTC](https://castor-project.discourse.group/t/error-castor-reconstruction-simind/404 "2022-09-16T16:52:47Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![akmal871026](https://avatars.discourse-cdn.com/v4/letter/a/45deac/32.png) [@akmal871026](https://castor-project.discourse.group/u/akmal871026)\
**Post date:** [September 16, 2022, 4:52pm UTC](https://castor-project.discourse.group/t/error-castor-reconstruction-simind/404/1 "2022-09-16T16:52:47Z")

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Dear Dr, Please help me…

I was run this code to recon my images,

**C:\simind\>smc2castor mdp\_ect1.h00 ect/run**

But I got the Error below:

C:\simind\>castor-recon -df mdp\_ect1.cdh -fout ect -it 2:8 -oit 2:2 -dim 128,128,128 -vox 3.15,3.15,3.15 -conf C:\Users\USER\Downloads\castor\_v3.0.1\castor\_v3.0.1\config -vb 1 -opti MLEM -proj classicSiddon -flip-out Y  
‘castor-recon’ is not recognized as an internal or external command,  
operable program or batch file.

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**Author:** ![sstute](https://avatars.discourse-cdn.com/v4/letter/s/8c91f0/32.png) [@sstute](https://castor-project.discourse.group/u/sstute)\
**Post date:** [September 19, 2022, 9:09am UTC](https://castor-project.discourse.group/t/error-castor-reconstruction-simind/404/2 "2022-09-19T09:09:35Z")

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Hi,

This is not a problem related to castor nor simind but to the use of a computer. You should try finding solutions in the internet before posting to this forum.

Here are the results of Google where I just typed the error message you got, you will find solutions to your problem.

[https://www.google.com/search?q=is+not+recognized+as+an+internal+or+external+command%2C+operable+program+or+batch+file&oq=is+not+recognized+as+an+internal+or+external+command%2C+operable+program+or+batch+file&aqs=chrome…69i57j0i512.634j0j7&client=ms-android-samsung-ga-rev1&sourceid=chrome-mobile&ie=UTF-8](https://www.google.com/search?q=is+not+recognized+as+an+internal+or+external+command%2C+operable+program+or+batch+file&oq=is+not+recognized+as+an+internal+or+external+command%2C+operable+program+or+batch+file&aqs=chrome..69i57j0i512.634j0j7&client=ms-android-samsung-ga-rev1&sourceid=chrome-mobile&ie=UTF-8)

Simon