despite being a newbie and maybe that's why I can't report the problems properly
Not newbie:
Name: emrgohff
Date Registered: 2014-01-21, 10:41:19
And if you can't be bothered to edit your posts properly so that they don't fill up the thread uselessly, I can't be bother to reply in depth.
Step one: close client, restart with
-rescan=1 option. Wait until complete.
Step two: Try sending a small (e.g. 0.25) SLM to an address you control.
Stop here. Please report back on whether you can successfully send a tx of 0.25 SLM to yourself.
Did you follow these instructions?
it is necessary to restart the one in my case it takes about five 30 minutes
That suggests inadequate hardware. This elderly codebase will struggle on old machines.
In short, I don't know why the customer closes after making the transaction and still doesn't understand if using "send coins" gives (Error: Transaction creation failed)
Neither do I, no-one else seems to have this problem, looks like it's an issue with your setup. Try exporting your privkeys and importing them into a fresh wallet. If that doesn't fix the problem, nothing will.
Cheers
Graham