# Failed at the mediasoup@3.8.0 postinstall script.

**URL:** <https://mediasoup.discourse.group/t/failed-at-the-mediasoup-3-8-0-postinstall-script/3149>\
**Category:** Integration\
**Created:** [August 8, 2021, 3:53am UTC](https://mediasoup.discourse.group/t/failed-at-the-mediasoup-3-8-0-postinstall-script/3149 "2021-08-08T03:53:16Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![einfotouch](https://avatars.discourse-cdn.com/v4/letter/e/4da419/32.png) [@einfotouch](https://mediasoup.discourse.group/u/einfotouch)\
**Post date:** [August 8, 2021, 3:53am UTC](https://mediasoup.discourse.group/t/failed-at-the-mediasoup-3-8-0-postinstall-script/3149/1 "2021-08-08T03:53:16Z")

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Hello forks,  
I am trying to work on edumeet project and following all the steps but I am not able to install npm package for mediasoup, here is the full error description, can anyone help me please?

mediasoup@3.8.0 postinstall D:\Publish\Demo\edumeet-master\edumeet-master\server\node\_modules\mediasoup

> node npm-scripts.js postinstall

npm-scripts.js [INFO] running task “postinstall”  
npm-scripts.js [INFO] executing command: python ./worker/scripts/configure.py --format=msvs -R mediasoup-worker  
worker\deps\gyp\pylib\gyp\input.py:1186: SyntaxWarning: “is” with a literal. Did you mean “==”?  
if the\_dict\_key is ‘variables’ and variable\_name in the\_dict:  
[‘–format=msvs’, ‘-R’, ‘mediasoup-worker’, ‘worker\mediasoup-worker.gyp’, ‘-I’, ‘worker\common.gypi’, ‘–depth=worker’, ‘-Dhost\_arch=x64’, ‘-Dtarget\_arch=x64’, ‘-Dopenssl\_fips=’, ‘-Dmediasoup\_asan=false’, ‘-Dnode\_byteorder=little’]  
Warning: Missing input files:  
worker\deps\libwebrtc\libwebrtc\modules\remote\_bitrate\_estimator\bwe\_defines.h  
worker\deps\libuv\libuv\common.gypi  
npm-scripts.js [INFO] executing command: MSBuild ./worker/mediasoup-worker.sln /p:Configuration=Release  
‘MSBuild’ is not recognized as an internal or external command,  
operable program or batch file.  
npm ERR! code ELIFECYCLE  
npm ERR! errno 1  
npm ERR! mediasoup@3.8.0 postinstall: `node npm-scripts.js postinstall`  
npm ERR! Exit status 1  
npm ERR!  
npm ERR! Failed at the mediasoup@3.8.0 postinstall script.  
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

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**Author:** ![nazar-pc](https://yyz2.discourse-cdn.com/free1/user_avatar/mediasoup.discourse.group/nazar-pc/32/369_2.png) [@nazar-pc](https://mediasoup.discourse.group/u/nazar-pc)\
**Post date:** [August 8, 2021, 9:59am UTC](https://mediasoup.discourse.group/t/failed-at-the-mediasoup-3-8-0-postinstall-script/3149/2 "2021-08-08T09:59:11Z")

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Installation on Windows have certain requirements: [mediasoup :: Installation](https://mediasoup.org/documentation/v3/mediasoup/installation/#windows)

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**Author:** ![omidnasiri](https://yyz2.discourse-cdn.com/free1/user_avatar/mediasoup.discourse.group/omidnasiri/32/1122_2.png) [@omidnasiri](https://mediasoup.discourse.group/u/omidnasiri)\
**Post date:** [August 8, 2021, 2:04pm UTC](https://mediasoup.discourse.group/t/failed-at-the-mediasoup-3-8-0-postinstall-script/3149/3 "2021-08-08T14:04:20Z")

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I kinda have a similar problem with installing mediasoup on alpine:

 ![Screenshot (188)](https://global.discourse-cdn.com/free1/uploads/mediasoup/original/2X/a/a5d0bd701a20b8bf0334c8204ff3d45a051f627f.png)  
I’ve made sure about the prerequisites (make, python3, g++)

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<div class="post-metadata">

**Author:** ![nazar-pc](https://yyz2.discourse-cdn.com/free1/user_avatar/mediasoup.discourse.group/nazar-pc/32/369_2.png) [@nazar-pc](https://mediasoup.discourse.group/u/nazar-pc)\
**Post date:** [August 8, 2021, 2:10pm UTC](https://mediasoup.discourse.group/t/failed-at-the-mediasoup-3-8-0-postinstall-script/3149/4 "2021-08-08T14:10:29Z")

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That is a completely different issue on a different OS. Please create a separate thread for discussion.

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<div class="post-metadata">

**Author:** ![omidnasiri](https://yyz2.discourse-cdn.com/free1/user_avatar/mediasoup.discourse.group/omidnasiri/32/1122_2.png) [@omidnasiri](https://mediasoup.discourse.group/u/omidnasiri)\
**Post date:** [August 8, 2021, 2:19pm UTC](https://mediasoup.discourse.group/t/failed-at-the-mediasoup-3-8-0-postinstall-script/3149/5 "2021-08-08T14:19:13Z")

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Here it is

> [@Alpine Linux: Failed at the mediasoup@3.8.0 postinstall script](https://mediasoup.discourse.group/t/alpine-linux-failed-at-the-mediasoup-3-8-0-postinstall-script/3153):
>
> Hey there, trying to play around with mediaoup in alpine linux (run in a docker container) to figure out the right docker deployment but here’s a problem on installation: I’ve already made sure about the prerequisites (make, python3, build-essential)