Hello 5thgear,
Thank you for asking the Question!
Sorry to know that you face issues with Bitlocker . As I get it right you get an error message "An Error Occurred The System cannot find the file specified" when running bitlocker encryption.
I need to ask you a question in order to assist you in a better way.
Were there any changes (hardware or software) made to the computer prior to the issue?
Check the link below.
Reply to us if you face any issues with bitlocker or any other Windows Issue, and I would be glad to assist you again and try to rectify the issue as early as possible.
Have a nice day!
Hope this information helps.