If Bluetooth is completely missing or broken, download the driver only from your laptop manufacturer’s support page using your exact model number.
No. Isscbta stands for "Integrated System Solution Corp. Bluetooth Adapter." It is legitimate hardware. However, fake drivers named "Isscbta.exe" downloaded from shady sites may contain malware. Always scan your downloads with Windows Defender.
Since ISSC is an older chipset provider, they do not always have a dedicated, modern consumer support site. You can typically find these drivers through: