>Hi,
>On both machines installed Kaspersky Anti-Virus. But we will check again about extensions of files.
Antivirus is probably only one of several things that can cause problems - but I don't know what else might be the problem.
Difference in opinions hath cost many millions of lives: for instance, whether flesh be bread, or bread be flesh; whether whistling be a vice or a virtue; whether it be better to kiss a post, or throw it into the fire... (from Gulliver's Travels)