崩了！网友集体哀嚎：不断卸载重装，折腾一上午！手指按抽筋了都没反应……

Core Viewpoint - Logitech's mouse users experienced significant functionality issues due to a global outage of the Logi Options+ application, attributed to an expired development certificate [6][5]. Group 1: User Experience - Many users reported their Logitech mice became non-functional, leading to frustration and confusion, with some believing their computers were malfunctioning [3][1]. - Users engaged in extensive troubleshooting, including uninstalling and reinstalling the software multiple times [3][1]. Group 2: Company Response - Logitech's customer service acknowledged the issue and confirmed that the expired certificate was being addressed urgently [5][6]. - As of January 8, users continued to express concerns over the prolonged outage, indicating that the issue persisted for two days [11]. Group 3: Resolution Efforts - Users found that adjusting their system date to January 5, 2026, allowed the software to function temporarily [6]. - By January 8, some users reported that the official website had been updated with a patch that allowed for reinstallation and restoration of functionality [13]. - Despite the updates, a portion of users still faced issues with mouse functionality remaining impaired [18]. Group 4: Company Background - Logitech, founded in 1981 in Switzerland, is a globally recognized technology company with a product range that includes mice, keyboards, headsets, and video conferencing equipment [20].