First of all, thanks for the help. I'm going to try the answers one by one
1. Yes, its only with cron.php
2. I am not sure
3. Unchecked
4. Mods Installed:
* Downloads System Pro
* SMF Gallery Pro
* Simple Audio Video Embedder
* Elastic EMail for SMF
5. Screenshot attached.
Attached is the subs.php and the screenshot of the scheduled tasks
6. I can not do it now because I delete the log error, I do it the next time it appears