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After installing phpstudy, enter http://localhost/index.php and an error message appears
Uninstall and reinstall
Looking at the prompt, it should be a permissions issue. Where is your php installed?
First check whether the server configuration is normal and whether all started services have been started
This is caused by the fact that there is no index.php file in your root directory
Enter the www directory to see if there is an index.php file. If not, enter the URL directly into http://localhost
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
Uninstall and reinstall
Looking at the prompt, it should be a permissions issue. Where is your php installed?
First check whether the server configuration is normal and whether all started services have been started
This is caused by the fact that there is no index.php file in your root directory
Enter the www directory to see if there is an index.php file. If not, enter the URL directly into http://localhost