OS:
Windows

Command used to start the Store node:
"C:\Thanos\thanos.exe" store --data-dir="C:\ProgramData\Thanos\data\store"
--objstore.config-file="C:\ProgramData\Thanos\config\bucket.yml" --grpc-address=0.0.0.0:10903
--http-address=0.0.0.0:19194 `
--log.level=debug

Thanos version:
latest Windows binary

MinIO version:
latest windows binary

Error observed (in logs):
create index header reader: write index header: new index reader: get object attributes of <BLOCK_ID>\index: Object name contains unsupported characters.