Cache Memory,  Cache saver UMI,  Computer Memory

8 Solutions to Fix High Memory & CPU Usage

High memory usage refers to a state where the RAM, ROM, or cache usage of Windows computers is extremely high. If there is a problem with high memory usage, your computer becomes extremely slow and frozen. 

Relax if you are having “high memory usage” or “high RAM usage” issues in Windows 10. Check and follow the provided methods to resolve this issue immediately:

How to fix memory leak issues in Windows 10

“I was about to download a new update for Windows 10, but she said the memory was almost full and it got stuck. I tried to close some apps or some software, but it says to me still the memory is heavily used and there is an error. How can I reduce the problem of high memory usage in Windows 10? “

“I installed Windows 10 but got a high RAM usage warning which told me that the memory was 90% used without opening any application or installation file.”

Windows computer slowing down or suddenly freezing is a typical symptom of Windows high memory usage error. For example, when you run an app or transfer files in Windows 10, the computer is unresponsive or takes a long time to respond. It is very possible that the problem of high memory usage is slowing down your PC.

However, Windows high CPU usage, high disk usage issues cause the same problems on computers. And the solutions to each problem are different.

If you have confirmed that your computer is stuck with a high memory issue, skip to part two and follow the handy fixes to get rid of this issue immediately.

If you don’t know the exact issue that is making your Windows 10 PC slow or stuck, follow Part 1 to define the problem first. Then choose the right solution to solve the problem.

Part 1. Check and Set Windows 10 High Memory Usage Issue

Although problems with high CPU, disk, and memory usage in Windows have the same symptoms: the computer slows down, freezes or applications do not respond. But it’s still easy to determine if your computer has high CPU, disk, or memory usage.

High memory usage in Windows 10 is related to RAM and virtual memory. When a computer has a high memory usage problem, it freezes while a program is running. 

You may even see an error window warning you that “Your computer is low on memory”. 

Try the following steps to determine if your computer has high memory usage, high processor, or high disk usage error:

Step 1. Press Ctrl + Alt + Del and select “Task Manager”.Step 2. On the Processes tab, check the usage status of CPU, memory, and disk.

Note that if the CPU usage reaches up to 99% or even 100% as shown below, your computer has high CPU usage problem.

You can get rid of this error by referring to Windows 10 using disk 100 in the task manager.If the memory reaches a high state, there is a problem with high memory usage. Choose a method in part 2 to immediately remove this error from your PC.Part 2. 8 Solutions to Fix Windows 10 Out of Memory Issue

Apply to: Fixing high RAM and virtual memory usage issues in Windows 10/8/7 etc.

Here is a list of all the practical solutions tested and recommended by EaseUS IT experts for you to try and troubleshoot virtual memory usage issues in Windows 10:If you are having a similar problem on a lower version of the Windows operating system, like Windows XP, you can try these fixes as well. 

Method 1. Restart the PC

When your computer has been unresponsive for a very long time, or freezes, freezing, you’ll need a quick fix.

It’s about restarting your PC:

Step 1. Click the Windows icon and click the Power icon, then select “Restart”.

Step 2. Wait for the computer to restart.

If the mouse is not detected, press the computer’s power button to turn it off directly. When the computer turns off, press the power button to restart it.

Method 2. Repair disk file system error and defragment hard drive

File system error is a major reason that can cause false information to be transmitted to computers such as high memory or CPU usage. Professional partition management software – EaseUS Partition Master – can help. It is easy to use for Windows users of all skill levels. 

To download

Windows 10 / 8.1 / 8/7 / Vista / XP

Check and correct a system error

Step 1: Open EaseUS Partition Master on your computer. Then locate the drive, right-click on the partition you want to check, and choose “Check File System”.

Check Partition – Step 1

Step 2: In the Check File System window, keep the “Try to fix errors if any” option selected and click “Start”.

Partition Check – Step 2

Step 3 : The software will start to check the file system of your partition on your disk. When it is finished, click on “Finish”.

Partition Check – Step 3

It will also save a lot of memory space by defragmenting hard drives. You can also refer to a manual method of defragmenting and optimizing the disk.

Defragment hard drives

Press “Windows + R” and type: dfrgui , click “Defragment and optimize drives” to open this application.

Click on the hard disks (C: drive for example) that you want to defragment and click on “Optimize”.

Defragment a hard drive

Wait for the defragmentation process to finish. Remember to restart the computer when the process is complete.

Method 3. Close unnecessary runtime programs / applications

When your computer is using a lot of memory, you can try closing some unnecessary running programs and applications to resolve this issue.

Step 1. Open the task manager by right clicking on the Windows icon and select “Task manager”.

Step 2. Go to the processes tab, find the running programs that take a lot of memory but you don’t need at all.

Step 3. Click on unnecessary programs and select “End task”. 

Close unnecessary programs

Method 4. Disable running programs on startup

Disabling programs at startup reduces system load and saves a lot of memory space on the CPU.

Step 1. Press Ctrl + Alt + Del, select “Task Manager”.

Step 2. Click on Startup in the task manager window> Right click on the applications you do not want to run on startup and select “Disable”.

Disable programs on startup

Method 5. Increase virtual memory

Virtual memory uses part of the disk space to serve as memory to relieve the stress of computer memory. Therefore, when your computer has high memory usage problem, you can try the following steps to increase virtual memory:

Step 1. Right click on this computer, then select “Properties”. 

Step 2. Click “Advanced System Settings” in the window that opens.

Step 3. Go to the Advanced tab, click “Settings …” under the Performance section.

Increase virtual memory

Step 4. Navigate to the Advanced tab, click “Edit” under the Virtual Memory section.

Change the size of virtual memory

Step 5. Uncheck “Automatic paging file management for drives”.

Step 6. Select drive C, check “No page file” and click “Set”. 

Step 7. Click “Yes” to continue.

Confirm to increase viral memory

Step 8. Select a non-system partition, check “Custom size” and set the same value in Initial size and Maximum size. 

This will reduce the consumption of system resources and improve the operating efficiency.

Note that it is recommended that the size of the value be twice as large as the physical memory of your computer.

Step 9. Click “OK” to save the changes.

Save changes to increase virtual memory

Method 6. Increase physical memory

Logically, when your computer has a memory usage problem, you can add a new memory card to your computer in order to expand the physical memory.

To do this, you must first check the type of memory by referring to the memory settings of your computer.

Here’s how to increase your PC’s physical memory:

Step 1. Check the physical memory size: Right click on this PC and select “Properties”.

Then click on “Properties”. Open Task Manager and go to the Performance tab, click on “Memory”.

Step 3. Check the speed, memory size to decide what type you will need.

Check the type of physical memory

Step 4. Then buy a new memory card, add it to your PC.

After adding the new memory to your computer, restart the PC and it will automatically detect the new memory.

Method 7. Clean up the virus

Sometimes virus or malware infection can also cause heavy usage of your PC memory. The best solution is to run antivirus software on your PC to immediately clean up all existing viruses and malware:

Step 1. Download and install antivirus software on your computer.

Step 2. Run the anti-virus software and choose to scan your computer’s entire drive.

Step 3. Choose to clean any viruses found or virus infected files or devices.

Method 8. Disable UDN in the registry

Note: EaseUS technical support experts suggest that you do not try this method as it may affect internet connection usage.

Some bloggers suggest that using the registry to disable NDU can sometimes solve Windows 10’s high memory usage issue. 

If you want to give it a try, here are the steps:

Step 1. Type regedit in Windows search and click Registry Editor to open it.

Step 2. Go to: HKEY_LOCAL_MACHINE / SYSTEM / ControlSet001 / Services / Ndu.

Open register

Step 3. Right click on the Start and select “Modify”. 

Change the NDU MOT

Step 4. Change its value to 4, click “OK” to save changes.

Disable UDN to correct high memory usage

After that restart your PC and the high memory usage issue should be resolved. 

If your computer’s internet connection is disabled, we suggest you repeat the steps and reset the value of the original word to the previous number – 2. 

Additional Tips: Avoid High Memory Usage Issue in Windows 10

Actually, most of Windows users are the cause of high memory, disk or CPU usage in Windows 10/8/7 etc.

And how to avoid the problem of high memory usage is also an unanswered question. In this part, we will conclude on the causes of the high memory issue and give you some tips to help you avoid this error on Windows 10:

Why is my memory usage so high in Windows 10 – Causes 

When you get Windows 10 memory usage error or get high disk usage warning, Windows 10 RAM or memory is not really full. Let us see here the causes of this high RAM usage problem:

Memory leak.

Registry hacking.

Low space due to high usage by multiple applications or large installation fixes.

The memory is occupied by a large number of unnecessary files.

How to Avoid High Memory Usage in Windows 10 – Tips

Here we are also collecting tips to help you avoid high memory usage issues in Windows 10/8/7 and suggest you follow them, tuning your computer to perform as well as possible: 

# 1. Add a sufficiently large memory card to PC

# 2. Run a

# 4 virus cleaner regularly . Disable unnecessary programs at startup

# 5. Free the virtual memory of hard disk

# 6. Fix file system error and regularly defragment hard drive


In this article, we are offering you the complete process to help you reduce memory usage in Windows 10 by giving you tips on how to fix high memory problem, providing you with 8 practical solutions to fix memory usage. high, and also giving you a list of tips to help you avoid this problem.

In addition to properly managing RAM and virtual memory, in order for your computer to run smoothly, we also suggest you to apply disk management software – EaseUS Partition Master – to manage partitions, make full use of disk space and optimize disk performance at best.

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