Check your autoupdate.cfg file in ..\Eagle Dynamics\DCS World OpenBeta
{
"WARNING": "DO NOT EDIT this file. You may break your install!",
"branch": "openbeta",
"version": "2.5.2.17978.385",
"timestamp": "20180529-131530",
"arch": "x86_64",
"lang": "EN",
"modules": [
"WORLD",
...