Many of Capcom's recent games have been knockout hits. This includes new entries for the company's franchises like Monster Hunter, Resident Evil, Ace Attorney, and Devil May Cry. All of these franchises and more from Capcom's library have found success on consoles and in the PC market, as evidenced by upcoming games like Monster Hunter Rise having a dedicated PC release early next year. However, some of Capcom's older PC releases have run into a bug regarding installation.
Capcom started releasing some of its games on Steam as early as 2009, with games such as Lost Planet and the original Street Fighter 4. Some of the ports released during this period launched to a mixed reception, both aforementioned games being examples of the company's reputation during the time. Capcom released these games on other platforms that were offering PC releases, such as Games for Windows Live. This service allowed Windows PCs to connect to Microsoft's Live service, which has been now replaced with the Microsoft Store.
This had an unexpected blowback effect on certain Capcom games that were released on the defunct Games for Windows Live service and Steam platform, creating a bug where users were unable to install the game on their PC through Steam. The bug was tied to the discontinued Games for Windows Live service, which surprised fans. As a result, Capcom has temporarily delisted the games affected by this bug from Steam.
Of Capcom's large library, the games affected by this bug are Lost Planet: Extreme Condition Colonies Edition, Lost Planet 2, Resident Evil: Operation Raccoon City, Street Fighter 4, and even Street Fighter X Tekken. This includes temporarily removing the purchase option from each individual game's Steam page as Capcom and the engineers at Valve and Steam investigate the matter.
Capcom says that it will keep fans updated on when players will be able to purchase or install these games again through Steam. It's both unfortunate and somewhat amusing that what is preventing fans from installing games on Steam is due to a Microsoft Windows service that has been long discontinued. Hopefully, fans won't have to wait too long for Capcom to get these games back in a state that can be playable on Steam.
Source: Steam Community (via Reddit)