A German player of the popular tactical shooter Valorant found themselves unable to launch the game after purchasing a used processor. The player, who posted on Reddit under the name After‑Cartoonist‑196, reported that the game kicked them out immediately upon startup. Riot Games, the developer of Valorant, informed the user that the CPU’s identification number had been blacklisted by Vanguard, the company’s internal anti‑cheat system.
Details of the incident
According to the Reddit post, the player bought a second‑hand AMD Ryzen 7 5800X3D processor on Kleinanzeigen, a German marketplace similar to eBay, in late September. The purchase was motivated by the desire to save money on a high‑performance component that is in demand among gamers. However, when the player attempted to run Valorant with the newly acquired CPU, they were abruptly logged out. Riot’s support team explained that the CPU’s serial number had been placed on a hardware ban list on August 12 because the previous owner had used the same chip to cheat in Valorant.
The user added that Riot also indicated that every component in the computer – not just the CPU – had been flagged by Vanguard. The anti‑cheat system, according to the post, can tag individual parts ranging from the motherboard to Ethernet cables. As a result, the player was told that the only viable remedy would be to replace the entire rig.
Vanguard’s hardware‑ban capabilities
Riot’s Vanguard anti‑cheat solution is known for its depth of detection. The system can assign a digital fingerprint to hardware components, allowing it to block a device even after it changes owners. The Reddit user’s experience illustrates how a hardware ban can persist beyond the original offender, affecting subsequent purchasers of the same part. The post’s author expressed frustration, noting the lack of a clean solution and the difficulty of verifying a component’s status before purchase.
Vanguard has faced criticism in the past for being “overzealous,” a term used by the community to describe instances where legitimate users are inadvertently penalized. The current case adds to that narrative, highlighting the challenges that arise as high‑performance computer parts become scarcer and more expensive, prompting more gamers to seek used components.
Implications for the used‑hardware market
The incident raises questions about the safety of buying second‑hand gaming hardware. As the post points out, without a reliable method to confirm that a component is free of anti‑cheat flags, buyers risk being locked out of games that rely on hardware‑based bans. The situation also touches on the philosophical “Ship of Theseus” dilemma: if every part of a computer is flagged, does the system consider the entire machine compromised?
While the Reddit user chose to keep the warning post online in hopes of helping others avoid a similar fate, the broader community may need clearer guidance from developers and marketplaces on how to identify clean hardware. Until such mechanisms exist, players looking to save money on components may have to weigh the potential cost of a hardware ban against the savings of buying used parts.
For now, the German player’s experience serves as a cautionary tale about the reach of modern anti‑cheat technology and the lingering digital footprints that can travel with a single piece of hardware.
Mitchell Landsberg is a Senior Technology Correspondent at News Raise. He covers consumer electronics, artificial intelligence, software developments, and digital privacy trends.




