http://app-pkg.i-mscp.net/imscp_webdepot_list.xml 404 file not found

Yes. Please don't use the software installer. It was too much buggy and available software were all obsolete. It is planned to remove the software installer in next version and replace it by a new implementation in later release.

Quote from Nuxwin

Yes. Please don't use the software installer. It was too much buggy and available software were all obsolete. It is planned to remove the software installer in next version and replace it by a new implementation in later release.

any updates?

Any updates regarding (still buggy?) offline

http://app-pkg.i-mscp.net/imscp_webdepot_list.xml