とらぶる・うぃんどうず とらぶるうぃんどうず
Fictional anime based on [[OS-Tan]], with a fanmade intro first published to [[Futaba Channel]] in 2004. The branding has been used for other products as well, such as artbooks and figures.

Named for the "troubled yet cute" [[ME-tan]], who is shown as the protagonist.

Some products with the branding instead transliterate the title as "Trouble Windows".
troubled windows