# Error when starting the installation of Mautic 4

**URL:** <https://forum.mautic.org/t/error-when-starting-the-installation-of-mautic-4/21245>\
**Category:** Product Support\
**Tags:** mautic-4\
**Created:** [October 12, 2021, 7:10pm UTC](https://forum.mautic.org/t/error-when-starting-the-installation-of-mautic-4/21245 "2021-10-12T19:10:55Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![netomenezes](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/netomenezes/32/897_2.png) [@netomenezes](https://forum.mautic.org/u/netomenezes)\
**Post date:** [October 12, 2021, 7:10pm UTC](https://forum.mautic.org/t/error-when-starting-the-installation-of-mautic-4/21245/1 "2021-10-12T19:10:55Z")

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**Your software**  
My Mautic version is: 4  
My PHP version is: 7.4  
My Database type and version is: MySQL 5.7

**Your problem**  
Hi, could someone help me with the Mautic installation process?  
I upload the zip file and extract but the installation process does not start.  
The log does not report the error.  
My problem is:  
 ![mautic aapanel](https://us1.discourse-cdn.com/flex020/uploads/mautic/original/2X/a/acf352173fe9a0d1c4f1323e6ee33e830bd0ebfc.jpeg)

These errors are showing in the log:  
201.51.18.110 - - [12/Oct/2021:16:40:40 +0000] “GET /index.php/installer HTTP/2.0” 500 1124 “-” “Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.77 Safari/537.36”  
201.51.18.110 - - [12/Oct/2021:16:40:41 +0000] “GET /media/images/favicon.ico HTTP/2.0” 200 12862 “[https://mkt.whatsfoods.com/index.php](https://mkt.whatsfoods.com/index.php) /installer” “Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.77 Safari/537.36”

Steps I have tried to fix the problem:

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**Author:** ![joeyk](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/joeyk/32/11164_2.png) [@joeyk](https://forum.mautic.org/u/joeyk)\
**Post date:** [October 12, 2021, 9:16pm UTC](https://forum.mautic.org/t/error-when-starting-the-installation-of-mautic-4/21245/2 "2021-10-12T21:16:27Z")

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I guess you managed cause the site loads for me.

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**Author:** ![netomenezes](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/netomenezes/32/897_2.png) [@netomenezes](https://forum.mautic.org/u/netomenezes)\
**Post date:** [October 12, 2021, 9:33pm UTC](https://forum.mautic.org/t/error-when-starting-the-installation-of-mautic-4/21245/3 "2021-10-12T21:33:50Z")

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I can’t, I just installed version 2.15.3 and it’s running but I can’t upgrade to other versions.