Several reports of issues with 3.0.2

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Warning: exec() has been disabled for security reasons in /data/web/virtuals/51126/virtual/www/domains/trickoskockou.cz/wp-content/plugins/backupwordpress/functions/interface.php on line 106

Warning: exec() has been disabled for security reasons in /data/web/virtuals/51126/virtual/www/domains/trickoskockou.cz/wp-content/plugins/backupwordpress/functions/interface.php on line 107
````
https://wordpress.org/support/topic/update-to-version-302-problem?replies=12#post-6290183