Desktop Central 10.0.469

Hi I have problem with DC. I just install new server for test (trial mode for 30 days) and I have problem with upload files to patch repo. my steps Going to Patch mgmt and Download Failed (Patches)(5) I can see list of patches i failed status. Press upload and download file from link at the bottom after download, press Click here to browse the file upload and navigate to download folder. mark file and press ok then upload. And nothin happend. Stil I cen still I can see uploading % and nothing happen. same for all files. I tried on my pc, directly on the server where SD is installed. and same. uploading and unploading . How to fix this