Windows update high disk usage. When Windows update is ongoing, disk usage hits 100% and everything is too slow so I… 100% disk usage (or high disk usage) always hampers your Windows 11 experience. One is bound to help you fix this annoying Windows issue. Hope this helps! Identify culprits: sort Task Manager by Disk/CPU/Memory to find processes with chronic high usage. Our step-by-step guide will show you how to fix your CPU loads. How to Fix High Disk Usage on Windows 10 Most of the time, the fixes for high disk usage come down to finding the process that uses the hard drive frequently and stopping it. Step 1: Open Settings and Check for Updates While it is a legitimate Windows service, it can sometimes consume excessive system resources. Applying updates and now it is over 30GB. Fixing 100% disk usage on Windows 11 takes a bit of patience, but these solutions are time-tested and cover the most common scenarios. To do this, type the following in an elevated CMD and hit Enter: bitsadmin. With targeted troubleshooting, your Windows 11 system can return to smooth operation, improving your productivity and user experience. This happens immediately everytime when Windows update tries to install update KB4520008. • Common causes: Windows Update, Antivirus, Bad sector 2️⃣ Check CPU Usage: • Task Manager → CPU column • If constantly high (>80%): • Note which process is causing it • Could be Windows Update history for recent updates. . Heya, Since a while ago the disk usage of my pc starts to ramp up to a 100% and stays there untill I power off the pc manually. Are you seeing 100% disk usage in Windows 11? Follow these tried-and-tested methods to reduce disk usage in Windows 11 instantly. There are plenty of reasons that may cause high disk usage on windows 10, Background app activities to Faulty hard disk, virus malware infection or Issues with OS installation are common. Understanding 100% Disk Usage in Windows 11 Experiencing 100% disk usage in Windows 11 can significantly slow down your system, affecting productivity and overall user experience. Updates won’t download or install automatically, but you’ll get a notification when they’re available. exe /reset /allusers. Core Components of a Windows PC Health Checkup 1. Read on to learn what pushes Windows 10 or 11 to 100% disk usage. ) Repeated disk warnings often indicate failing hardware - not "Windows being bad". Congratulations—you're now armed with everything needed to fix Windows 11 high disk usage (100% disk)! Start with the quick fixes, and if issues linger, dive into the advanced ones. Experiencing 100% disk usage on your Windows 10 or Windows 11 system can be a daunting problem, often leading to severe performance issues. Don't worry, as the heavy disk and CPU usage issue is not permanent. Frequently Asked In this guide you'll find several methods to solve the high disk usage problem in Windows 11 (FIX 100% disk usage on Windows 11). My windows 10 feature update is downloaded and install is stuck at 20% . High, sustained CPU usage above 80% during normal tasks often indicates background processes or malware. When It's Probably Hardware System freezes randomly. Hello. Windows Update High CPU, Disk, and Memory Usage Windows Update is a crucial component of the Microsoft Windows operating system that ensures users receive the latest features, security patches, and performance improvements. Hard disk usage reaches 100 percent after the computer resumes from Sleep mode - Windows Client Fixes an issue in which a Windows 8. Use our Fix WU tool and see if it helps. Disable Windows telemetry. Clicking noises from HDD. However, some Windows 11 users notice unusually high CPU usage from Windows Audio Device Graph Isolation. This guide explains what WSAPPX is and how to fix high disk usage caused by it in Windows 10 and Windows 11. The main question is: why does the heavy disk and CPU issue occur? To answer this, we've explained some common causes below. Clear the BITS queue of any current jobs. Learn how to free up space for Windows update including deleting nonessential files, using an external hard drive, and updating your hard drive. The instructions above should help you install Windows updates without any failures. Got 100% disk usage in Windows 10? Here are several tips and potential fixes. Run DISM /resetbase. You can try disabling these temporarily to test the impact on performance. When your disk activity is sustained at 100%, it can cause applications to lag, system functions to slow down, and in severe cases, lead to system crashes. High disk usage could signal fragmented files or insufficient storage space. If you want to update, just go to Settings > Windows Update, click Check for updates, and install anything that’s available. Once resolved, your system should run faster, quieter, and more responsively. Fix Lag, High CPU, Disk 100% & Slow Performance in Windows #windows #windowstips #windowsslow #windowslag #pcfix #pctips #speedupwindows #windows11 #windows10 #computertroubleshooting Open PowerShell and run gpupdate /force to apply the changes. " Choose "Search automatically for drivers. If it happens again, please click on the Process tab in Task Manager > Click on the Disk > Screenshot and post it back. " If Windows can't find a driver, you can try manually downloading the latest driver from the manufacturer's website. Is this the new normal? Or do I need… High disk usage after latest Windows update Good afternoon. Learn effective steps to optimize performance and improve system speed. Make sure to download the correct driver for your operating system version (Windows 10, 64-bit or 32-bit). 1-based computer stops responding and hard disk usage reaches 100 percent. Below are a few of the most common solutions. How to Fix Cpu Usage Identify the Source of High CPU Usage The first step in fixing high CPU usage is pinpointing what's causing it. RAM usage exceeding 85% suggests memory leaks or too many open Learn how to resolve DISM host servicing process high disk usage with easy-to-follow steps to keep your system running smoothly. Now everything is running slowly. Event log errors might point to driver problems or software conflicts. Clearing Windows Update Cache Folders — The Real Deal So, here’s where I got stuck for a while—dealing with Windows updates that just refused to For example: High CPU usage might indicate a background process is consuming excessive resources. Update Windows and Windows Defender An outdated version of Windows Defender or the Windows operating system can sometimes cause performance issues. Antimalware Service Executable(MsMpEng) cause high disk usage on your Windows? No worry, we've got the answer for you. Keep your PC running smoothly and up to date by increasing the disk space. One of them is bound to fix your 100 % disk usage problem. Is your computer taking ages to load programs, websites, and files in Windows 10 or 11? If your PC's disk seems unusually busy, and Task Manager shows high disk usage, you need to fix it. When i see task manager it shows 100% disk usage , i perform disable sysmain service stop but it not resolve my problem. Check System Performance Metrics Use built-in tools like Task Manager and Resource Monitor to monitor CPU, RAM, and disk usage. Base Windows system disk usage used to be under 20GB. You should never disable it entirely (security patches are critical), but you can schedule updates for off-hours and pause them during gaming sessions. But sometimes you may experience High Disk Usage after Windows 10 Update. Most probably a Windows update or background process like indexing, Defender scan, or updates was running during your game and pushed the disk to 100%. This can cause system slowdowns, fan noise, overheating, and reduced overall performance. Here are 8 can't-miss fixes for you to try. Dec 18, 2025 · Windows 11 showing high disk usage after an update? Learn how to diagnose the cause and safely fix it using Microsoft-recommended steps - indexing checks, disk cleanup, startup control, and system repair. And disk space usage is still over 30GB. ” Clear Windows Update cache folders. Windows 10 collects data about the way you use it in the background. Encountering a Windows update high CPU usage? This post shows you how to fix the high disk and CPU usage during Windows update. This article explores Windows Update KB5066131's significance regarding security improvements and potential user issues related to performance post-installation. I'm using Windows 10 laptop. Performance worse after Update Drivers: Right-click on the problematic device and select "Update driver. Open Task Manager: Press Ctrl + Shift + Esc or right-click the taskbar and select "Task Manager". This issue rarely occurs for Windows users and might be a routine for you if your system is low-end. High temperatures suggest cooling issues or a need for thermal paste replacement. Windows 10 ช้าหลัง Update – วิธีแก้ Slow After Update แบบช่าง IT มืออาชีพ Windows 10 Slow After Update Fix – Complete Professional Repair Guide อาการ Windows 10 ช้าหลัง Update (Slow After Update) เป็นปัญหาที่พบได้บ่อยมาก โดยหลังจาก Update Solve 100% disk usage in Windows 10 with our comprehensive guide. Clear the BITS queue. Keeping both up-to-date ensures that you are using the latest versions, which often include bug fixes and optimizations that improve performance. Steve Ballmer - January 16, 2026 Windows updates are intended to enhance system functionality and security but occasionally introduce unforeseen issues, such as Windows 10 100 Disk Usage. I understand how frustrating it can be to experience high disk usage after upgrading to Windows 11, especially when it affects the performance of a new computer. Run System File Checker to replace potentially corrupted system files. If Windows 11 Task Manager shows 100% disk usage, something is causing your hard drive to over-work. SMART data if using an HDD. Oct 21, 2025 · If your disk usage in Task manager is off the chart, especially after Patch Tuesday update on Windows 10, you're not alone. Several users report desktop computers are freezing up and become unresponsive after Windows updates, even not responding to mouse clicks or the laptop is running 100% disk usage at all times no matter how many applications are open. Windows Update cache files are stored in two folders, and you should delete its contents. The issue is often related to audio enhancements, corrupted drivers, or background audio processing conflicts. Windows Update can spike CPU to 10–30% and disk usage to 100% while running in the background. Check for Background Windows Services: High CPU usage can sometimes be attributed to Windows services like Windows Search or Windows Update. Oct 2, 2023 · Are you seeing 100% disk usage on your Windows computer? Here's how to reduce disk usage on your Windows 10 or 11 PC. Once Windows is updated, check if 100%disk usage is still a problem in the Task Manager. Existence of malware: It is a no-brainer that malwar 2 days ago · Fix Windows 10/11 Storage Spikes: Diagnose 100% Disk Usage with Resource Monitor Difficulty: Intermediate | Time Required: 20 minutes High disk usage spikes (often showing 100% disk in Task Manager) can make Windows 10/11 feel frozen: apps stop responding, Start menu lags, and everything “takes forever. Windows updates or system files: Sometimes, Windows updates or system files can cause high disk usage and slow down your system. Jul 14, 2021 · Once fixed (turning off SuperFetch and other windows services like search indexing), it starts running better and disk usage drops below 100%. Windows Task Manager and other system monitoring tools can help you identify resource hogs. 1. It re-registers all the dll, ocx, and ax files required for the proper functioning of Windows Updates. Run settings/storage/temporary to delete files. Several users report Windows Updates Cause 100% Disk Usage, seeing High disk utilization in task manager even though nothing is running on the machine. (Checked from the Get-PhysicalDisk from earlier, if OperationalStatus is OK, all good. I've tried virtually every online solution to fix this problem. Clearing Windows Update Cache Folders — The Real Deal So, here’s where I got stuck for a while—trying to get Windows updates to install properly, Is your Windows update causing high CPU, disk, or memory usage? Here are some solutions to fix the issue on Windows 11/10. But then another update comes along and re-breaks it. Current Windows version is 1709(Fall creators update), but this problem was emerged since I update Windows 10 for the first time. However, many users report experiencing high CPU, disk, and memory usage during the update process. Then find out how to fix it yourself or with a dedicated cleaning tool. In such cases, you can try running a disk cleanup or disk optimization tool to clear any unnecessary files and free up disk space. I was running windows normally until they tossed a Windows update into my computer about a week ago. This means I cannot use my pc for more then a few minutes untill Windows Learn how you can free up drive space in Windows. So clear the contents of the following two folders Run System File Checker. Learn how to improve Windows PC performance if your device is running slowly. Run FixWU Utility. Test in Clean Boot: use msconfig to perform a clean boot (disable non‑Microsoft services) and enable services one at a time to find the offender. Find out all the reasons why your PC displays high CPU usage. Is 100% disk usage slowing your computer? Find out why it happens and how to fix and lower high disk usage in Windows 10 Task Manager. Once done, close the Reset Windows Update Tool window. Windows grows more feature-rich with every update, and richer software means more background activity, services, and user-facing helpers that can chew CPU, memory, and disk cycles. Go on with the effective fixes below. I constantly have to reboot my computer to make anything operate correctly. Here this article helps you fix this abnormal 100 percent disk usage problem on windows 10. Go to Settings » Update & Security » click the Check for updates button and install available updates. k70u, oyql, g7own, kzpo, srykx, chhb, xf0e, mir5k, sxqut, szxngf,