Do not send your log file to anyone you do not trust, and do not post them in public channels, they may contain sensitive information!
⊞ Win + R keys on your keyboard%userprofile%\.runelite\logs into the run fieldclient.log or client file (the file without a date in the file name) to an Admin or Developer⇧ + ⌘ + G (Shift + CMD + G)~/.runelite/logs in the pop-up boxclient.log or client file (the file without a date in the file name) to an Admin or Developer