> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://docs.clientexec.com/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# Blank Screen during Upgrade/Install for JustHost and BlueHost Clients

If you are receiving a blank screen during install or upgrading your Clientexec installation, follow these instructions:

1. Login to your cPanel.
2. Find and access** PHP Config.**

![](https://storage.crisp.chat/users/helpdesk/website/895a2775afb3f800/blnkscrn1_14u11aw.png)

3. Select **PHP 5.4 (Single php.ini).**

If this does not rectify the issue, please submit a ticket with your FTP, CE, and cPanel details.