Microsoft Confirms Two Essential Windows Features Are Dragging Your PC’s Speed Down
Windows Features Slowing Down Your PC? Here’s the Scoop! Microsoft has confirmed that two crucial features—Memory Integrity and Core Isolation—are dragging down PC speeds, particularly for budget users. Think your device is sluggish? These security improvements, during essential moments, can hog CPU and memory resources. Users report frustrating stutters and slow application launches. Striking a balance between performance and protection is no easy feat. But fear not, there’s plenty more to uncover about optimizing your system.

If one were to peel back the layers of Windows 11 and even its predecessor, Windows 10, they might uncover a troubling truth — vital security features are potentially dragging down system performance. Microsoft has confirmed that the Memory Integrity and Core Isolation features, designed to enhance security, are not the flawless guardians one might hope for, but rather obstacles that hinder performance.
Memory Integrity, part of Windows Security, aims to prevent malicious code injection into critical processes. It sounds like a safeguard for your online safety, but users have reported significant slowdowns when enabling this feature, experiencing reduced FPS and lag, particularly in demanding games. Interestingly, users of lower-performance CPUs like the Intel Celeron G5900 report even more significant impacts on their experience. It presents a perplexing dilemma: safeguard your system or maintain its speed. Disabling Memory Integrity may provide a glimmer of hope for gamers who prioritize performance over security, but at what cost? Cybersecurity experts have long advocated for layered security measures, yet they now face the challenge of convincing users to bypass these protective features just to enjoy smoother gameplay. The recent tab-based navigation changes in Windows 11’s File Explorer have only added to users’ frustrations with system performance. Cryptojacking malware can significantly impact system performance while secretly mining cryptocurrency in the background.
Navigating the choice between Memory Integrity and gaming performance remains a daunting dilemma for many users.
Turning to Core Isolation, this intriguing feature isolates critical processes, functioning like a protective safety net, albeit one that seems to have flaws. Enabling Core Isolation comes at a cost, as this setup has been linked to increased CPU and memory usage. Users report sluggish systems, unresponsive applications, and a fair amount of frustration. They are left questioning whether the security is worth the performance lags. The balance between protection and performance is a tightrope act that many Windows users find exhausting. Furthermore, users have reported severe stuttering and lag during NDI streaming after the August 2025 update due to performance degradation.
At the same time, the Network Device Interface (NDI) streaming issues add further complexity to this unfortunate scenario. Following the August 2025 update, NDI changed its receive mode defaults to RUDP, leading to packet retransmissions and choppy streaming experiences. Imagine enjoying your favourite streaming service only to find it stuttering at a crucial moment. Users across both Windows 10 and 11 have reported audio and video playback problems, with Microsoft acknowledging these concerns and promising future fixes. For the time being, it seems the streaming experience may resemble a poorly executed sitcom.
Amidst user reports of overall performance degradation, community feedback has painted a vivid picture of frustration — programs lagging, slower launches, and sluggish response times. Reflecting on their experiences, users have concocted theories, sparking suspicion that Microsoft could be inadvertently nudging its audience more towards Windows 11 by hampering Windows 10’s performance.
So what’s a user to do? Some suggest a thorough decluttering of unused applications, disabling Memory Integrity and Core Isolation, and keeping an eye on resource-heavy processes via Task Manager. Although it is tempting to roll back recent updates or engage in extensive troubleshooting, the stark contrast between a secure system and an efficient one remains a significant concern.
Ultimately, Windows has become a battleground between security and speed. Users must navigate this technological minefield, choosing whether to fortify their defences or unlock the full potential of their machines. As the technological landscape evolves, may your decisions be informed—and your PC speedy.
Final Thoughts
Microsoft has revealed that two specific Windows features are significantly slowing down PCs, highlighting the importance of optimizing performance for users. By disabling these resource-intensive features, you can enhance your system’s speed and efficiency. At Zoo Computer Repairs, we specialize in helping you make these adjustments to ensure your device runs smoothly and efficiently. Don’t let a sluggish PC hold you back—click on our contact us page to get in touch and let us help you revitalize your tech experience today!
