Postgres Upgrades could not open version file PG_VERSIOn

Hello

I tried Upgrading Postgres in linux and then on Windows both gave same error message

C:\Program Files\edb\as11\bin>pg_upgrade -c -b "C:\Program Files\PostgreSQL\10\bin" -B "C:\Program Files\edb\as11\bin" -d "C:\Program Files\PostgreSQL\10\data" -D "C:\Program Files\edb\as11\data1"

could not open version file: C:\Program Files\edb\as11\data1/PG_VERSION
Failure, exiting