The client is updated without stopping.
103 files with the extension “.rdbdata” have already accumulated in the “RDB” folder (more folders did not fit, because the free space on the disk ran out).
And currently the RDB folder has a weight of 103 GB, and the client is still trying to download something.
Normal size of folder is something between 30 and 40 Gb so you really may want to delete all rdb files and let game download right things. But. First fix endless downloading. Just closing patcher and opening it again doesn’t fix it I assume? Then do you have antivirus? Try to add game to whitelist or turn it off during downloading. It’s second most popular case.