I opened file manager but this pop ups i just want to update my site here is the screen shot

help me how to fix this please

Please read this Online File Manager (filemanager.ai) Issues - System Issues - InfinityFree Forum

You can use Filezilla to upload/edit files , while filemanager.ai is not available right now.

Check this Article :point_down:

How to upload files with FTP - Documentation / File Management and FTP - InfinityFree Forum