If you want to disable Dr Watson debugger you could do that by editing the registry, please follow the steps carefully!

Click the Start button -> type regedit and press Enter. Once the registry editor opens click on HKEY_LOCAL_MACHINE and navigate to
Key: SOFTWARE\Microsoft\Windows NT\CurrentVersion\AeDebug

In the right panel right click the Auto name (see the picture below) and select Modify, then change the value from 1 to 0. Close the registry editor and you are done!