So i have checked with USBTrace and have following detected:
1. Starting Flirc-GUI pass trace messages in USBTrace
2. Pressing "Erase" -> Messages
3. Pressing button on remote in key-accept mode -> Messages
4. if i wait few seconds - GUI write "button already erased" , no messages in USBTrace
any advice? some kind conflicted software/drivers? msi350ai-e45 with Win7-32, flirc is used for XBMC