Description of problem: The screen flicking sometimes when downloading the ISO/OVA file from TUI. Version-Release number of selected component (if applicable): rhev-hypervisor6-6.6-20150327.0 ovirt-node-3.2.2-1.el6.noarch ovirt-node-plugin-hosted-engine-0.2.0-13.0.el6ev.noarch How reproducible: 80% Steps to Reproduce: 1. Install rhev-hypervisor6-6.6-20150327.0 2. Enable network 3. Download ISO/OVA through TUI. 4. Check the TUI. Actual results: 1. While downloading the ISO/OVA, the screen flicking sometimes. Expected results: 1. The screen should not flicking while downloading the ISO/OVA file. Additional info: