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".

This tag implicates os-tan (learn more).

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