Hi Oleg_Sch,
Recently I found a bug in "7zsd_160_3888.7z" stable version:
When run packed program in WinXP, then press "Win+E"(Open Explorer HotKey), The window won't open and the StartMenu button will be no response.
My WinXP is Chinese version.
Here is a sample I packed:
https://www.datafilehost.com/d/d746a159
Download and run it in WinXP, then press "Win+E", problems will be found.
Thanks for testing!