# Error during installing Kibana

**URL:** <https://discuss.elastic.co/t/error-during-installing-kibana/69326>\
**Category:** Kibana\
**Created:** [December 16, 2016, 10:45pm UTC](https://discuss.elastic.co/t/error-during-installing-kibana/69326 "2016-12-16T22:45:35Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![Nikolai](https://avatars.discourse-cdn.com/v4/letter/n/8491ac/32.png) [@Nikolai](https://discuss.elastic.co/u/Nikolai)\
**Post date:** [December 16, 2016, 10:45pm UTC](https://discuss.elastic.co/t/error-during-installing-kibana/69326/1 "2016-12-16T22:45:35Z")

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I get error during while installing kibana: Error: 'Internal Server Error'

{"type":"log","@timestamp":"2016-12-16T21:45:37Z","tags":["info","optimize"],"pid":14052,"message":"Optimizing and caching bundles for graph,  
monitoring, kibana, timelion, login, logout and status\_page. This may take a few minutes"}  
{"type":"log","@timestamp":"2016-12-16T21:46:45Z","tags":["fatal"],"pid":14052,"level":"fatal","message":"Optimizations failure.\n\n WARNI  
NG in C:/Program Files/kibana/src/ui/public/styles/spinner.less\n Module build failed: ModuleBuildError: Module build failed: URIError: UR  
I malformed\n at decodeURIComponent (native)\n at C:\Program Files\kibana\node\_modules\loader-utils\index.js:101:12\n  
at Array.forEach (native)\n at Object.parseQuery (C:\Program Files\kibana\node\_modules\loader-utils\index.js:78:12)\n a  
....

How can I fix it?

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<div class="post-metadata">

**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\
**Post date:** [December 16, 2016, 11:06pm UTC](https://discuss.elastic.co/t/error-during-installing-kibana/69326/2 "2016-12-16T23:06:37Z")

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What version? What OS?  
How did you install it?

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<div class="post-metadata">

**Author:** ![Nikolai](https://avatars.discourse-cdn.com/v4/letter/n/8491ac/32.png) [@Nikolai](https://discuss.elastic.co/u/Nikolai)\
**Post date:** [December 17, 2016, 8:09pm UTC](https://discuss.elastic.co/t/error-during-installing-kibana/69326/3 "2016-12-17T20:09:11Z")

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Kibana 5.1.1  
Windows 7  
Installed via unzipping Windows' package in directory - [https://www.elastic.co/downloads/kibana](https://www.elastic.co/downloads/kibana)

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<div class="post-metadata">

**Author:** ![divyanksingh](https://avatars.discourse-cdn.com/v4/letter/d/54ee81/32.png) [@divyanksingh](https://discuss.elastic.co/u/divyanksingh)\
**Post date:** [December 21, 2016, 12:53pm UTC](https://discuss.elastic.co/t/error-during-installing-kibana/69326/4 "2016-12-21T12:53:48Z")

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I am also facing similar issue. Any fix on this?

publicPath: '/bundles/' },  
isBoom: true,  
isServer: true,  
output:  
{ statusCode: 500,  
payload:  
{ statusCode: 500,  
error: 'Internal Server Error',  
message: 'An internal server error occurred' },  
headers: {} },  
reformat: [Function] }

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [January 18, 2017, 12:54pm UTC](https://discuss.elastic.co/t/error-during-installing-kibana/69326/5 "2017-01-18T12:54:19Z")

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