Hi Beton,
If using BetBotPro

You are saying that your bot is making random bets, that are out of your control if so , it sounds like the program needs re-downloading.
It sounds like the set up program was not saved to Desktop first, before extracting files.

Make sure you have the licence number they emailed to you.
Then re-download from the members section.
Make sure you Save the Download program to say Desktop or Documents first, before extracting files, otherwise the program wont work properly.
I would then go to Desktop to open then do the Extracting of files, just to make sure things work.
Make sure you delete the existing program totally , that includes the recycle bin.
If you have any issues , contact Mark at BBP

Use these settings to make sure all your 3 selections get matched.

Set box at bottom 1st Fav
Set box underneath 3 (targeting 3 runners)

Max No. of bets 3
Min No. of bets 3
This means the bets will only go on if all 3 are matched.

Adjusted Bet Ticks +4 (if Laying) (-4 if Backing)
This is used to allow for any drop in prices as the bets are going on at the same time.

EXTRAS (In Actions box at top LHS) 1st Fav <= 4.00
This will now only target races where the Fav is <=4.00

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Cheers.