C drive: FAT32 Testing \??\C:\ NtCreateFile status = 0xc000004f EAs not supported, using NtOpenFile instead NtOpenFile status = 0x0 NtQueryInformationFile status = 0x0 BasicInformation.FileAttributes = 0x10 StandardInformation.Directory = 1 StandardInformation.EndOfFile.QuadPart = 0 D drive: btrfs Testing \??\D:\ NtCreateFile status = 0x0 NtQueryInformationFile status = 0xc0000022 BasicInformation.FileAttributes = 0xdeadbeef StandardInformation.Directory = 255 StandardInformation.EndOfFile.QuadPart = 123456789 E drive: VirtualBox guest additions, STATUS_ACCESS_DENIED Testing \??\E:\ NtCreateFile status = 0xc0000022 NtQueryInformationFile status = 0xc0000022 BasicInformation.FileAttributes = 0xdeadbeef StandardInformation.Directory = 255 StandardInformation.EndOfFile.QuadPart = 123456789 E drive: empty CDROM drive, STATUS_ACCESS_DENIED instead of STATUS_NO_MEDIA_IN_DEVICE Testing \??\E:\ NtCreateFile status = 0xc0000022 NtQueryInformationFile status = 0xc0000022 BasicInformation.FileAttributes = 0xdeadbeef StandardInformation.Directory = 255 StandardInformation.EndOfFile.QuadPart = 123456789 No F drive Testing \??\F:\ NtCreateFile status = 0xc000003a NtQueryInformationFile status = 0xc0000022 BasicInformation.FileAttributes = 0xdeadbeef StandardInformation.Directory = 255 StandardInformation.EndOfFile.QuadPart = 123456789 Z drive: \\vboxsvr\vm-shared subst Z: \\vboxdvr\vm-shared Testing \??\Z:\ NtCreateFile status = 0xc000004f EAs not supported, using NtOpenFile instead NtOpenFile status = 0x0 NtQueryInformationFile status = 0x80000005 BasicInformation.FileAttributes = 0x10 StandardInformation.Directory = 1 StandardInformation.EndOfFile.QuadPart = 4096 Windows explorer, STATUS_OBJECT_PATH_NOT_FOUND but datastructures are populated Testing \??\C:\WINDOWS\explorer.exe NtCreateFile status = 0xc000004f EAs not supported, using NtOpenFile instead NtOpenFile status = 0xc000003a NtQueryInformationFile status = 0x80000005 BasicInformation.FileAttributes = 0x10 StandardInformation.Directory = 1 StandardInformation.EndOfFile.QuadPart = 4096 ReactOS explorer, (STATUS_BUFFER_OVERFLOW expected by Cygwin) Testing \??\C:\ReactOS\explorer.exe NtCreateFile status = 0xc000004f EAs not supported, using NtOpenFile instead NtOpenFile status = 0x0 NtQueryInformationFile status = 0x80000005 BasicInformation.FileAttributes = 0x20 StandardInformation.Directory = 0 StandardInformation.EndOfFile.QuadPart = 1674240