PS001,
Bom dia,
Não sei se vai te resolver, mas pegue o texto abaixo e salve .reg e veja se ajuda. Ele tentará associar os arquivos .exe novamente:
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Windows Registry Editor Version 5.00
[HKEY_CLASSES_ROOT\SystemFileAssociations\.exe]
"FullDetails"="prop:System.PropGroup.Description;System.FileDescription;System.ItemType;System.FileVersion;System.Software.ProductName;System.Software.ProductVersion;System.Copyright;*System.Category;*System.Comment;System.Size;System.DateModified;System.Language;*System.Trademarks"
"InfoTip"="prop:System.FileDescription;System.Company;System.FileVersion;System.DateCreated;System.Size"
"TileInfo"="prop:System.FileDescription;System.Company;System.FileVersion;System.DateCreated;System.Size"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\SystemFileAssociations\.exe]
"FullDetails"="prop:System.PropGroup.Description;System.FileDescription;System.ItemType;System.FileVersion;System.Software.ProductName;System.Software.ProductVersion;System.Copyright;*System.Category;*System.Comment;System.Size;System.DateModified;System.Language;*System.Trademarks"
"InfoTip"="prop:System.FileDescription;System.Company;System.FileVersion;System.DateCreated;System.Size"
"TileInfo"="prop:System.FileDescription;System.Company;System.FileVersion;System.DateCreated;System.Size"
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Poste o resultado.
Se útil, classifique.
[]'s
Danilo Lima - MCSA / MCTS