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kizan666, try running the game in compatibility mode with WinXP. Another question: is your DirectX version up to date?
Doctormalar, your maps are not being saved correctly. This usually happens when there are Cyrillic characters in the file path, but in your case, that doesn't seem to be the issue... I've seen that a similar problem can occur due to an excessively long file path. Try renaming the folders so that their names have fewer characters.