I've went through the complete forum's stackoverflow, github, google, and found many solution out of which many voted + for checking Antivirus blockage for adb
So I uninstalled my genuine Malwarebytes antivirus.
Many voted to kill & restart the adb server using commands
adb kill-server && adb start-server likewise.
After getting into forums too seriously I've seen that driver's issue.
Now am having Advanced Driver Updator. And everything is up to date So why am still getting the error. Have tried to quote the error but am not getting error message, Only I can see a pop-up cmd and it quits automatically as shown in Video.
and obviously I am using frameworks to build mobile apps, but frameworks runs on top of the core android studio setup
<iframe src="https://drive.google.com/file/d/1qI0CM1N8H5uH1a1G4J4bP_ixJxDcdg2C/preview" width="640" height="480"></iframe><iframe src="https://drive.google.com/file/d/1IDiCXd03CfmNel06ZCMf72QhdpIYz8QJ/preview" width="640" height="480"></iframe>Added the videos in an iframe snippet. I wish to get it resolved soon. Thanks in advance.
Finally got it working. Just removed a complete setup & android studio woke up finally with debug bridge i.e ADB