I'm not sure what error you have. Please share the errors when the process fails from the Session Logs so we can better guide you. Or open a new ticket with Blue Prism's Technical support. Take a look at this KB article on how to provide information ...
Maybe it is the order in which the Windows services start.Please take a look at the following KB article "In which order should I start the Decipher Windows Services?"
Take a look at the following KB article: BPE error "The browser extension was not detected" when attempting to launch a browser based (Chrome, Firefox or Edge Chromium) application