How to download a new "experts log" or is that done automatic?

 

Its automatic . .

Under the Strategy Tester log files are written to tester/logs whereas an Expert running live/Demo writes to experts/logs.

 
RaptorUK:

Its automatic . .

Under the Strategy Tester log files are written to tester/logs whereas an Expert running live/Demo writes to experts/logs.

The file could be "missing" because MT4 is running on Vista or Windows 7, from a protected area of disk such as Program Files, and the logs are getting virtualized into a per-user area of disk. Many, many topics on this subject, e.g. https://www.mql5.com/en/forum/112576
Reason: