Resolve 99% or 100% High CPU Usage Issue in Windows 10 Fall Creators Update

Here are some solutions and methods you can employ to resolve the high CPU usage issue in Windows 10 Fall Creators Update:

Experience 99% or 100% CPU usage after the Windows 10 Fall Creators Update, resulting in extremely slow computer performance

Is your computer running slow after the Windows 10 Fall Creators Update? Are you noticing extremely high CPU usage - 99% or even 100% in the Task Manager on your Windows 10 Fall Creators PC?

If your computer becomes sluggish after installing the Windows 10 Fall Creators Update, or if you notice high CPU usage displayed in Task Manager, don't panic. Below, you'll find both quick solutions and comprehensive methods to thoroughly resolve the high CPU usage issue in Windows 10 Fall Creators Update and boost your PC's performance with just a few simple clicks.

Quick Fix 1: Terminate Running Programs to Resolve High CPU Usage Error in Windows 10 Fall Creators Update

This fix can assist you in promptly resolving the high CPU usage issue in Windows 10 Fall Creators Update when your PC becomes extremely slow or even gets stuck while running programs:

1. Press Ctrl + Alt + Del simultaneously to open Task Manager; 2. In Task Manager, navigate to "Processes" or "Details" tab > Identify and select applications with high memory and CPU usage > Click "End Task" to terminate the selected programs or apps.

< a id="fix2" name="fix2">Quick Fix 2: Disable Startup Programs, Repair File System Errors, and Clean Up Junk Files to Resolve High CPU Usage Issue

1. Disable startup programs that consume high CPU resources and slow down the PC.

1. Press Win + R to open the Run dialog box > Type: msconfig to launch the System Configuration utility. 2. In the "Task Manager," click on the "Startup" tab > Select the unnecessary programs or apps > Right-click on them > Choose "Disable" to prevent them from running at startup.

2. Resolve file system errors causing high CPU and disk usage

Download, install, and run Partition Master on a Windows 10 Creator's PC.

Step 1. Open tools Partition Master on your computer. Locate the disk, right-click the partition you wish to check, and select "Advanced" > "Check File System."

Step 2. In the Check File System window, select the "Try to fix errors if found" option and click "Start".

Step 3. The software will begin checking your partition file system on your disk. When it's done, click "Finish".

3. Clean up junk files that consume high CPU and disk usage

When the C drive becomes filled with junk files or applications accumulate caches, the computer's CPU can become overburdened. Consequently, this may lead to unexpected high CPU and disk usage issues.

To address this issue, the tool CleanGenius, equipped with its System Cleanup feature, can be of assistance.

Step 1. Download and install Partition Master Suite.

Step 2. Click on PC Cleaner and install the CleanGinus tool. Next, click "Cleanup" and then "Scan" to begin the process of cleaning your system and restoring your PC to optimal condition.

Step 3. The software will scan your entire computer to locate idle data files that occupy a significant amount of disk space. You can choose unnecessary large files, system junk files, and Windows invalid entries, then click "Clean" to initiate the system cleanup process.

Step 4. When the scan is complete, click "Done" to finish cleaning system junk files.

Complete solutions for resolving high CPU usage in Windows 10 Fall Creators Update

Method 1: Utilize the DISM command to reduce high CPU usage

1. Right-click on the Start button and choose "Command Prompt (Admin)", then log in with your administrator account.

2. Type: DISM.exe /Online /Cleanup-image /Restorehealth and press Enter;

3. Type: DISM.exe /Online /Cleanup-Image /RestoreHealth /Source:C:\RepairSource\Windows /LimitAccess and press Enter; 4. Type: sfc /scannow and press Enter;

Restart your PC after this, and the high CPU usage or high RAM usage issue should have decreased by then.

Method 2: Disable Superfetch and Windows Services to Resolve High CPU Usage in Windows

1. Press Ctrl + Shift + Esc to open Task Manager; 2. Go to the "Services" tab and click on "Open Services"; 3. Locate Superfetch, right-click on it, and select "Properties"; 4. Click "Stop" to terminate the Superfetch service, then click "OK" to confirm the change.

5. Press Win + R to open the Run dialog > Type: msconfig and click OK; 6. Under the Services tab, check "Hide all Microsoft services" > Deselect all other remaining services > Click "OK" to save the changes; 7. Restart your Windows 10 Fall Creators Update > Enable one service at a time and reboot your PC > Continue this process until the high CPU usage issue in Windows 10 Fall Creators Update is resolved.

Method 3: Fix the Windows 10 Fall Creators Update high CPU usage error using Registry Editor

注意: 有一点你需要知道，那就是在使用以下清理命令来解决Windows 10秋季创意者更新中的高CPU使用率问题时，注册表编辑器可能会清除和删除一些有用的文件。 因此，请务必备份重要的文件和数据到外部存储设备，然后再尝试以下方法。

1. Press Win + R to open the Run dialog and type: Regedit, then press Enter; 2. Navigate to the following path: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management; 3. Locate the entry named "ClearPageFileAtShutDown" and set its value to 1; 4. Restart your computer, and the high CPU usage issue should be resolved.