XnviewMP doesn't respond after batch convert.

[gendalf]

if convert like 200+ files and close batch convert window, it lags a lot (and if 2000+files it probably won't ever unlag by itself), easiest way is to just close it through task manager and reopen
xnviewMP 0.53 x64, Windows 7 x64

[xnview]

It's not the time to build thumbnails of new files??