diff --git a/installer/sakura-common.iss b/installer/sakura-common.iss
index ba9284f531..2bfe3842ba 100644
--- a/installer/sakura-common.iss
+++ b/installer/sakura-common.iss
@@ -186,6 +186,9 @@ Root: HKLM; Subkey: "SOFTWARE\Classes\.c\OpenWithProgids";
 Root: HKLM; Subkey: "SOFTWARE\Classes\.cpp\OpenWithProgids";                     ValueType: string; ValueName: "SakuraEditor.Document"; ValueData: "";           Flags: uninsdeletevalue; Check: CheckPrivilege(true)
 Root: HKLM; Subkey: "SOFTWARE\Classes\.cs\OpenWithProgids";                      ValueType: string; ValueName: "SakuraEditor.Document"; ValueData: "";           Flags: uninsdeletevalue; Check: CheckPrivilege(true)
 Root: HKLM; Subkey: "SOFTWARE\Classes\.h\OpenWithProgids";                       ValueType: string; ValueName: "SakuraEditor.Document"; ValueData: "";           Flags: uninsdeletevalue; Check: CheckPrivilege(true)
+Root: HKLM; Subkey: "SOFTWARE\Classes\.md\OpenWithProgids";                      ValueType: string; ValueName: "SakuraEditor.Document"; ValueData: "";           Flags: uninsdeletevalue; Check: CheckPrivilege(true)
+Root: HKLM; Subkey: "SOFTWARE\Classes\.ini\OpenWithProgids";                     ValueType: string; ValueName: "SakuraEditor.Document"; ValueData: "";           Flags: uninsdeletevalue; Check: CheckPrivilege(true)
+Root: HKLM; Subkey: "SOFTWARE\Classes\.java\OpenWithProgids";                    ValueType: string; ValueName: "SakuraEditor.Document"; ValueData: "";           Flags: uninsdeletevalue; Check: CheckPrivilege(true)
 
 ; registry for each user (non-Admin only)
 Root: HKCU; Subkey: "SOFTWARE\Classes\*\shell\sakuraeditor";                       ValueType: string; ValueName: "";     ValueData: "{cm:fileassocMenu}";          Tasks: fileassoc; Flags: uninsdeletekey; Check: CheckPrivilege(false)
@@ -217,6 +220,9 @@ Root: HKLM; Subkey: "SOFTWARE\Classes\.c\OpenWithProgids";
 Root: HKLM; Subkey: "SOFTWARE\Classes\.cpp\OpenWithProgids";                     ValueType: string; ValueName: "SakuraEditor.Document"; ValueData: "";           Flags: uninsdeletevalue; Check: CheckPrivilege(false)
 Root: HKLM; Subkey: "SOFTWARE\Classes\.cs\OpenWithProgids";                      ValueType: string; ValueName: "SakuraEditor.Document"; ValueData: "";           Flags: uninsdeletevalue; Check: CheckPrivilege(false)
 Root: HKLM; Subkey: "SOFTWARE\Classes\.h\OpenWithProgids";                       ValueType: string; ValueName: "SakuraEditor.Document"; ValueData: "";           Flags: uninsdeletevalue; Check: CheckPrivilege(false)
+Root: HKLM; Subkey: "SOFTWARE\Classes\.md\OpenWithProgids";                      ValueType: string; ValueName: "SakuraEditor.Document"; ValueData: "";           Flags: uninsdeletevalue; Check: CheckPrivilege(false)
+Root: HKLM; Subkey: "SOFTWARE\Classes\.ini\OpenWithProgids";                     ValueType: string; ValueName: "SakuraEditor.Document"; ValueData: "";           Flags: uninsdeletevalue; Check: CheckPrivilege(false)
+Root: HKLM; Subkey: "SOFTWARE\Classes\.java\OpenWithProgids";                    ValueType: string; ValueName: "SakuraEditor.Document"; ValueData: "";           Flags: uninsdeletevalue; Check: CheckPrivilege(false)
 
 [Icons]
 Name: "{group}\{cm:AppName}";                                                Filename: "{app}\sakura.exe";                         Components: main; Check: InTopMenu(false);   Tasks: startmenu;