I am having the same issue. I just purchased the Apache and I have been trying to download load it all day and keep getting this message:
00000.000 === Log opened UTC 2022-03-20 02:13:01
00000.024 INFO : DCS_Updater/2.13.2.109 (Windows NT 10.0.22000; Win64; en-US)
00000.024 INFO : src-id: fb5dce9ae743149e778d34791749911c50b8976c, lib-id: 6e6a15cad57b3b9f322e07cd1850b7afdc52714f
00000.024 INFO : cmdline: "G:\DCS World OpenBeta\bin\dcs_updater.exe" apply d2f5755b-621f-4823-8249-f2e127683bb1 22032
00000.064 STATUS: Initializing...
00000.121 INFO : basedir: G:\DCS World OpenBeta
00000.121 INFO : variant: openbeta
00000.124 INFO : Command: install AH-64D
00000.142 INFO : DCS/2.7.11.21408.1 (x86_64; EN; WORLD,A-10C_2,F-16C,FC3,F-15C,A-10A,A-10C,GROUND_POUNDER_SIMS_A10C_OPERATION_PERSIAN_FREEDOM_campaign,BUNYAP_CAMPAIGNS_F16C_RED_FLAG_21_1_campaign,A10C-TTQ_campaign,MARIANAISLANDS_terrain,PERSIANGULF_terrain,NEVADA_terrain)
00000.142 INFO : branch: openbeta
00000.146 STATUS: Downloading version info...
00003.927 ERROR: Conection to server 'cdn.digitalcombatsimulator.com' failed: Couldn't resolve host name
00003.927 STATUS: Servers are unable to complete your request. Please, try again later.
00006.198 === Log closed.
UPDATE:
Did a repair and now it is installed.