@PriJoshi - Just restart your machine and try again. If that does not work, please uninstall all the UiPath versions in your computer, restart and then install the version you would like to use.
Few people reported this type of error after upgrading their UiPath Studio and restarting or uninstall/reinstall has worked for them. One such post is below:
Please try this and let me know if it helps.
ashokkarale
MD_Farhan1
Ajay_Mishra
postwick
Dheerendra_vishwakarma
Anil_G
chandreshsinh.jadeja
Gautham_Pattabiraman
vrdabberu
aravindbalineni123