Scfilter Cid87d25e32ac0d4ef0b1e0502c6b7dfb77 ((install))

The scfilter cid87d25e32ac0d4ef0b1e0502c6b7dfb77 string identifies a specific smart card using the Microsoft Smart Card PnP Class Filter Driver, often causing issues when vendor-specific drivers are missing or outdated. Resolving this typically involves updating the driver via Device Manager, verifying the Smart Card service, or troubleshooting registry conflicts. For more troubleshooting information, visit Microsoft Learn . Smart Card Troubleshooting | Microsoft Learn

The hardware ID SCFILTER\CID_87D25E32-AC0D-4EF0-B1E0-502C6B7DFB77 points to the , managed by the native Windows service scfilter.sys . When Windows detects a Plug and Play (PnP) smart card without a manufacturer-specific minidriver, it generates a unique hardware identifier based on the card's historical bytes or Answer to Reset (ATR) string. scfilter cid87d25e32ac0d4ef0b1e0502c6b7dfb77

: The unique Globally Unique Identifier (GUID) used by the system to locate matching third-party minidrivers or fall back onto Microsoft’s generic driver framework. Why Does This Hardware ID Appear? Smart Card Troubleshooting | Microsoft Learn The hardware