web unavailable!

Same here, and my site is down as a result of this update. Resolution needed immediately please!

Short of wiping out DM entirely, if anyone has suggestions for undoing the update via FTP, please post.

I renamed download-manager.php to get my site back up and allow me to log in to WordPress. Awaiting fix to DM now…

Extremely sorry for your inconvenience. In last update we have improved code base and using namespace, which require php v5.3.0+ ( https://php.net/manual/en/language.namespaces.rationale.php ), may you please update your server php version, however if that is not possible, you can get back the previous version from here https://downloads.www.ads-software.com/plugin/download-manager.2.8.3.zip

Having the same problem here. I have replaced the updated folder ‘download manager’ with the one provided by Shaon. The site came back to life for 1 minute, but then went down again. I re-checked the folder it turned out to be auto-upgraded to the new version again.

How do I deactivate automatic update? Or how do I update the server php version instead?

Waiting for your assistance. Thanks in advance

Disable auto update:
https://www.wpbeginner.com/wp-tutorials/how-to-disable-automatic-updates-in-wordpress/

To update php version, please contact your server/hosting support.