Windows Error Playing Cards

Windows Error Playing Cards (エラートランプ) were designed by the Japanese studio Monya. The deck copies the look of a Windows error message, closest to the early 2000s Windows XP style, with blue title bars, grey boxes, warning icons and a large OK button replacing the usual hierarchy of pips and courts. Many cards use HTTP status codes, such as 401 Unauthorized, 404 Not Found, 410 Gone and 413 Payload Too Large, as the main feature. Corner indices and suits remain, but the number cards do not follow traditional pip layouts. When fanned, the repeated blue title bars read as a continuous strip of system alerts (see the box ).

Above: when fanned, the repeated blue title bars form a continuous strip of system dialogue boxes.

Above: Joker from Monya’s Windows Error Playing Cards (エラートランプ). The original studio edition carries Monya’s credit and a mock system message: “A problem has been detected and this card has appeared in your hand.”

Above: promotional video by Monya, July 2024.

Above: two Jokers and the card back from the copy reviewed. Unlike Monya’s studio edition, these Jokers carry a generic Windows “blue screen” crash message rather than the original credited text. The reverse reproduces the green hill from the default Windows XP wallpaper.

Monya’s version includes a joker carrying the studio name. It reads: “A problem has been detected and this card has appeared in your hand.” The copy reviewed here, sold through Temu, replaces this with a generic Windows crash message: “A problem has been detected and Windows has been shut down.” The overall design is the same, but the studio credit has been removed.

Temu is a shopping app that sells low cost goods through feed-based adverts and marketplace listings.

This copy was bought in Thailand, but the packet is printed for UK import. The packet names Nanjing Yunshu E-Commerce Co Ltd as the manufacturer and lists Whaleco UK Ltd as the importer. The deck has been made as generic export stock rather than as a studio release tied to a named publisher.

In the UK, the Advertising Standards Authority has ruled, related to advertising practices, against Whaleco UK Ltd trading as Temu over adverts described as inappropriate or misleading.

Online listings for the same deck describe it as a “joke gift”, “computer gift” and a “Christmas gift”, alongside phrases such as “System Error humour”, “Windows nostaglia”, and “404 not found”.

Online marketplaces monitor which products attract attention and respond by producing and listing similar goods quickly. The window between platform-generated sales and physical production is now short.

Historically, even inexpensive commercial decks could usually be traced back to a named maker, printer or publisher. Here, the "Windows Error" design appears as uncredited marketplace stock, sold through app-based listings and described in generic product terms. If this is the direction of travel, collectors will increasingly encounter decks as fast moving outputs of distribution platforms, with fewer details about who made them and where they came from.