E:\pgtemp>"c:/program files/postgresql/9.1/bin/pg_upgrade.exe" --old-datadir "e:/postgresdata" --new-datadir "e:\pgdata" --old-bindir "c:/program files/postgresql/9.0/bin" --new-bindir "c:/program files/postgresql/9.1/bin" Performing Consistency Checks ----------------------------- Checking current, bin, and data directories ok Checking cluster versions ok Checking database user is a superuser ok Checking for prepared transactions ok Checking for reg* system oid user data types ok Checking for invalid indexes from concurrent index builds ok Checking for contrib/isn with bigint-passing mismatch ok Creating catalog dump ok There were problems executing ""c:/program files/postgresql/9.0/bin/pg_ctl" -w -l "nul" -D "e:/postgresdata" stop >> "nul" 2>&1" Failure, exiting