Delete files in C:\Program Files\MetaTrader 4\tester

 
May I delete all (huge) files in this folder
C:\Program Files\MetaTrader 4\tester
and its sub-folder ?

Thanks.
 
You can delete all fxt-files in folder C:\Program Files\MetaTrader 4\tester\history and may be in C:\Program Files\MetaTrader 4\tester\files folder.