Unity Project

Hello everybody

I use Centos 7 64 I installed unity-editor-installer-5.4.1f1+20160913.sh

but by accident I deleted the Project folder now when run Unity freeze it cant find recent the project I tried reinstalled its not working it`s possible to recet everyting ?

thank you in advance

PS Sorry for my english

Hello

nobody no how or where recet my account to restart a fresh Unity?

thank you in advance