SOLUTION: 1) open steam console with WIN+R type steam://open/console
- in steam console type this command: testappcloudpaths 107410
SOLUTION: 1) open steam console with WIN+R type steam://open/console
Steam support won't help me, they keep refering me to Bohemia's support.
I don't have the dlc, get the same problem, tried reinstalling entire steam and arma, restarted modem, disabled firewall, nothing helps.