Scanning window stays on top

Scanning window is always on top of other windows, even when minimized.

While watching video with Zoom player it stays on top even in fullscreen mode, and I have set up Zoom player to stay on top.
While watching with MV2 Player Plus, it manages to stay above the scanning window in fullscreen mode, but whenever I click on video window, scanning window flashes.

  1. CPU Athlon 64 X2 4600+
  2. Windows XP pro, service pack 3, 32 bit
  3. CIS 3.8.64263.468
  4. Antivirus - default settings
  5. Firewall - custom policy mode
  6. Defense+ - clean PC mode
  7. Administrator account