
Your Windows PC operates numerous background services that collectively enhance its functionality, ensure compatibility, and facilitate data collection for Microsoft. While some of these services are integral to tasks like system updates and search functionality, several others might not be as beneficial.
These non-essential services can consume valuable system resources—such as CPU, memory, and bandwidth—leading to a sluggish performance over time and even impacting battery life. Fortunately, Microsoft provides the option to disable many of these services, allowing you to optimize performance and conserve resources without compromising the integrity of your Windows system.
6 Windows Update Delivery Optimization
It Quietly Consumes Your Bandwidth
Designed to accelerate updates for other devices on your network, the Windows Update Delivery Optimization service shares previously downloaded update files. Although this feature seems advantageous, it often ends up consuming bandwidth and slowing down your PC when you need it most.
If you’ve experienced unexpected sluggishness, this service might be the reason. To disable it, navigate to Settings > Windows Update > Advanced Options > Delivery Optimization and toggle off Allow downloads from other devices. Your PC will appreciate the boost in performance.
5 Windows Mobile Hotspot Service
When Was the Last Time You Used the Hotspot?

The Windows Mobile Hotspot Service enables your device to share its internet connection, essentially turning your PC into a Wi-Fi hotspot. While this feature is useful for extending connectivity to other devices, it primarily benefits laptops equipped with SIM cards and active mobile data plans.
If you don’t utilize the hotspot capability regularly, it’s advisable to disable this service. In doing so, you free up additional resources without affecting your overall experience.
4 Telemetry and Windows Error Reporting
Stop Your PC from Relaying Information to Microsoft

Windows’ default settings tend to prioritize data collection, which serves to enhance user experience but compromises privacy. The Connected User Experiences and Telemetry service continuously gathers user data—like crash reports and usage statistics—without much benefit to the user.
Disabling this particular service avoids unwanted data transmission to Microsoft while preserving your system’s functionality. Windows Error Reporting is another service that quietly uses system resources to send crash reports when issues occur, further embedding the need for occasional management.
3 Program Compatibility Assistant Service
You Probably Don’t Need This Service

The Program Compatibility Assistant Service assists in running older software designed for previous Windows versions by detecting potential compatibility issues. However, with most modern applications functioning effectively on today’s systems, this service is often unnecessary unless you’re using very outdated software.
2 SysMain (formerly known as Superfetch)
When Speed Optimization Techniques Backfire

SysMain aims to enhance application loading speeds by preloading frequently used programs into memory. While well-intentioned, this strategy yields minimal benefits for modern systems equipped with SSDs, as these drives already provide rapid data access. Instead, SysMain may lead to heightened disk and memory usage that can slow down your PC, particularly if it has limited RAM or a slower hard drive.
1 Other Third-Party App Services
Eliminate Unnecessary Clutter from Infrequently Used Programs

Beyond Windows’ built-in services, many third-party applications initiate their own background services, often without the user’s awareness. These might include services from cloud storage, messaging apps, or software related to printing or graphics. While some services are necessary for their applications, many linked to rarely used programs contribute to system slowdowns.
To identify and manage these unwanted services, press Win + R to access the Run dialog, type msconfig, and press Enter. In the System Configuration dialog, check the Services tab and select Hide all Microsoft services to reveal third-party options. You can review this list, disabling unnecessary services to optimize performance further.
While disabling a few services may not seem impactful individually, collectively addressing several can yield noticeable improvements, particularly on underpowered systems. By strategically managing which services run in the background, you can ensure a more responsive and efficient Windows experience.
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