Try right-clicking the launch file and RUN AS ADMINISTRATOR.
The behavior you describe hasn't been reported by others AFAIK.
Share a file or two that won't load. Here's how...
Upload the file/s to a free server, such as Google Drive or MS OneDrive, get a shared (public) link, copy the link and paste it here or to me in a Private Message via the mail envelope in the top-right corner of this forum. When using Google Drive, if necessary change "restricted" to "anyone with link can view."