Latest installation causing directories to be read only

Do you want to: Suggest a feature / Report a bug / Ask a how-to question
For feature suggestions, describe the result you would like to achieve in detail.
For bug reports, provide the steps to reproduce and if possible a minimal demo of the problem.
OS version: Windows 10
App version: 8.3.0.97
Downloaded from: ONLYOFFICE website / Other (specify). Please point us to the installation guide that you used as well.
Additional information:
Any relevant details about the situation. You can also attach images and videofile to the post (or to place them to external storage).Installed latest copy and now go to save file and they are marked as read onl y. What?