Hey @KevinDS,
You can recover your password but for that you must atleast remeber your email address you used to login!
The latter issue you stated, is a common issue when the UiPath server is overloaded. If you have time try after a while, it should be resolved on its own and you can easily connect your robot!
Otherwise checkout this link 
ashokkarale
MD_Farhan1
Ajay_Mishra
postwick
Dheerendra_vishwakarma
Anil_G
chandreshsinh.jadeja
Gautham_Pattabiraman
vrdabberu
aravindbalineni123