Files Become Zero Byte After Success Upload/Download in Sync Troubleshooting Posted February 12 · Report reply On 2/10/2019 at 11:08 AM, Orcun said: To the archieved files? Nothing. They stay there. You can put them back after you update. Manually copy the files in the archieve to their locations after you update. Getting both machines on the same version 2.6.3 seemed to fix the problem for me. Thanks for your help!