Hi
I checked your account
https://www.opensubtitles.org/en/profile/iduser-1678554 - and you are not VIP member. Please contact us using form bellow "contact us" and send payment info, so we can locate it and upgrade you to VIP. VIP is valid for 1 year.
Also, send some screenshots about your problem, so we can understand you are talking about website, or vlc, or kodi or other program...
all should work.