Avast CPU Usage High: How to Fix?

how to fix high cpu usage caused by avast

Avast CPU Usage High is caused by incorrectly configured system settings or irregular entries in Windows registry.
Some processes in Windows 10 are responsible for slowing down the OS by consuming huge amount of RAM and CPU power. The main process that gives this trouble is ntoskrnl.exe. This process consumes huge amount of RAM after PC is switched on.

Avast CPU Usage High: What Does it Mean?

Avast CPU Usage High is an error name. This contains the details of error such as –

  • Why has the error occurred.
  • Which application or system component malfunctioned to cause this error.

The numerical code in the error contains data that can be deciphered (converted into normal form) by the manufacturer of the component or by the application that malfunctioned.
Although this error contains the details in its name, it is difficult to interpret the by the user and fix it without good technical knowledge or appropriate software.

What Causes Avast CPU Usage High?

If there is some malfunction in your system component then you may receive the error of Avast CPU Usage High.

Common reasons for this error are:

  1. Incorrect or failed installations or uninstallations of software: This may leave invalid entries in Windows Registry.
  2. Consequences of a virus or malware attack.
  3. Improper shutdown of system due to power failure or any other factor.
  4. Deletion of system file or registry entry.

How to fix high CPU Usage?

Below are the steps that will solve the high CPU and RAM usage in Windows 10.

Registry Hack

  1. Hit Win key + R
  2. Type ‘ Regedit’ and hit Enter
  3. Go to the path,
  4. HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management’
  5. Find ‘ClearPageFileAtShutDown’ change its value to 1.
  6. Restart your PC.

Fix the Driver issue

Open ‘Device Manager’ and ‘Scan for Hardware Changes’.

Adjust Windows 10 for best performance

  1. Right click on ‘My Computer’
  2. Select ‘Properties’ > ‘Advanced System Settings’
  3. Go to ‘System Properties’
  4. Select ‘Settings’
  5. Choose ‘Adjust for best performance’ and click ‘Apply’ > ‘OK’
  6. Restart your PC.

Disable startup programs.

  1. Hit Win + R key
  2. Type ‘dfrgui’ and press Enter
  3. In the new window click on hard drives you want to defragment (Prefer hard drive in which Windows is installed)
  4. Click ‘Optimize’ and follow the steps mentioned on the screen, to complete the defragment process.
  5. Restart your PC.

How To Fix System ntoskrnl.exe Process High CPU/RAM uses in Windows 10?

  • If there is memory leak problem and there is high CPU/RAM usage then following steps should be followed:
  • Clean PC with trusted anti-virus.
  • Updation of faulty and outdated drivers should be performed.
  • Disable Runtime Broker to fix high CPU and memory usage.
    1. Go to start menu > Settings app.
    2. Navigate to Settings > System > Notification & Actions
    3. Disable, ‘Show me tips about Windows’
    4. Reboot your PC.

show windows notifications

[SOLVED] Windows Resource Protection Could Not Start the Repair Service

Windows Resource Protection Could Not Start the Repair Service

If the Windows Resource Protection (WRP) is missing or corrupted, then System File Checker (SFC) can help to scan and repair corruptions in Windows system files using /scannow parameter. The command sfc /scannow will scan all the protected system files and replace the corrupted file with a cached copy. But if there is an error, the SFC tool cannot work. One of the SFC errors is: Windows Resource Protection could not start the repair service.
This article covers information of this error, how to solve the “Windows Resource Protection could not start the repair service” error.

Windows Resource Protection could not start the repair service
SFC is a utility in Windows. It allows the user to scan for and restore corrupt Windows system files.
But sometimes while running this tool you can also receive one of the following errors:

  • System File Checker SFC cannot repair corrupted member file.
  • Windows Resource Protection found corrupt files but was unable to fix some of them.
  • System File Checker not working, will not run or could not repair.

If these error occurs; you can try running System File Checker in Safe Mode or at Boot Time or repair the Windows Component Store using DISM.

Why “Windows Resource Protection Could Not Start the Repair Service” error occurs?

There is a device called Windows Modules Installer (TrustedInstaller.exe) in your Windows. This device:

  • Has full access to the WRP files and registry keys.
  • Enables installation, modification, and removal of Windows updates.

TrustedInstaller.exe is a process of Windows Modules Installer service in Windows 10/8/7/Vista, which is located in C:\Windows\servicing\. The permission for full access to modify WRP-protected resources is restricted to processes using the Windows Modules Installer.

If your Windows Modules Installer is disabled and you are trying to run the sfc
Tool then the error of Windows Resource Protection could not start the repair service will occur.

How to fix “ Windows Resource Protection Could Not Start the Repair Service ” ?

So how to fix the error “Windows Resource Protection Could Not Start the Repair Service”. By enabling and starting the Windows Modules Installer service in Windows can fix this error. Here are the few simple steps:
Step 1:

  • On keyboard press Windows+R key together, to open a Run box.
  • Type services.msc and Click OK.

Run Windows Services Module

Step 2:
A Service Window will be opened. Find and double-click on Windows Modules Installer.

open windows module installer from services window in windows 10

Step 3:

  • In General pane (adjacent to Log On), select Startup type as Manual.
  • Click Apply then OK.

windows module installer properties startup type manual

To accomplish the same task using command-line following steps should be followed:

Step 1:
Enter cmd in search box
Right click and select Run as administrator.

Step 2:
On opening the Command-prompt, type the following commands and hit Enter after each command.

sc config trustedinstaller start= demand
net start trustedinstaller

cmd config & start trustedinstaller
Now try running the sfc.exe, the error of “Windows Resource Protection Could Not Start the Repair Service” should get eliminated.

Fix – Windows 10 Start Menu Not Working or Won’t Open At All

5 solutions how to fix windows 10 start menu not working

5 solutions : How to fix windows 10 start menu not working?
Many Windows 10 users who have recently upgraded their operating systems have reported that their Windows 10 start menu is not working. There are many reasons why your start menu has stopped working all of a sudden. If your Windows 10 start menu won’t open or start button is not working, here are some easy fixes you can try.

Start Button or Start Menu Not Working in Windows 10 [FIXED]

Note: Create a system restore point before you proceed with the following troubleshooting tips. It will help you revert back if any unexpected error occurs during or after the process.

Solution 1: Re-Log into your Desktop

If your Windows 10 start menu is not working and you don’t know the exact reason, re-logging is an easy option you can try. Here’s how to do this:

Step 1: Sign Out

Press the [Ctrl] + [Alt] + [Del] keys at the same time and click on Sign Out.

Step 2: Re-Log In

Now, type your password and hit the Enter button to log in. Check if the start menu is working, else you’ll need to try other methods mentioned in this article.

Solution 2: System File Checker

Step 1: Launch Task Manager

Right click on the Taskbar and select Task Manager or press the [Ctrl] + [Alt] + [Del] keys on your keyboard at the same time to open the Task Manager.

Open windows task manager windows 10
Step 2: Run a New Windows Task

Now click on More Details and select the option Run New Task. A Run New Task dialog box will open.

Run New task Task Manager

Step 3: Run Windows PowerShell

Now type following command in the dialog box and check the box for Create This Task With Administrative Privileges and hit the OK button.


Open windows 10 Powershell

Step 4: Run the System File Checker

Type the following command into the window to System File Checker.

sfc /scannow

Run sfc/scannow command to scan windows 10

Restart your PC once the scan is completed and check if the issue is fixed.

Solution 3: Repair Windows Image

Step 1: Open Command Prompt Window
Press [Ctrl] + [Alt] + [Del] buttons to open the Task Manager. Click on the File menu and select Run New Task.

Run New task Task Manager

Type cmd to open the command prompt window. Check the option Create this task with administrative privileges and press the Enter button.


Step 2: Repair Windows 10

Now, copy and paste the following command:

Dism /Online /Cleanup-Image /RestoreHealth

Command RestoreHealth


Restart once the scan is complete and check if the start menu is working. If your windows 10 start menu is still not working, try the next method.

Method 4: Windows 10 Start Menu Troubleshooter

Download and run Microsoft’s Windows 10 Start Menu Troubleshooter from here.

Microsoft has released this tool for the users experiencing “windows 10 start button not working” issue lately. This tool will check if the Start Menu and Cortana services are installed properly on your system. It will also check if there are any corruptions in the Windows 10 installation.

Method 5: Create a New User

Creating a new user would help if start menu won’t open. To do this, open the PowerShell window. (Run the PowerShell command as mentioned in the Method 2)

Copy and Paste the following code in the PowerShell window:

net user username /add

Replace the “username” in above command with your new username. Once you see “The command completed successfully” message, you can log into the new account and see if your Windows 10 start menu or button is working.

How to Fix Windows Key Not Working in Windows 10

Windows key has multiple functionality and is used by both basic and advanced users. But sometimes users face the issue of Windows key not working in Windows 10.

Some of the solutions to the above problem are mentioned below.

Solution 1: Using PowerShell

You can use the following steps to solve the issue of Windows key not working using PowerShell.

Step 1: Create Task

  • Hold Ctrl+ Shift+ Esc keys, to open Task Manager.
  • Go to File (adjacent to options) > Run new Task.
    Run New Task using windows 10 task manager
  • Enter PowerShell
    Open Powershell windows 10
  • Check the checkbox below which says, Create this task with administrative privileges.
  • Click OK.

Step 2: Execute Commands

  • Once PowerShell opens up, type or copy paste following command into PowerShell.

Get-AppXPackage -AllUsers | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register “$($_.InstallLocation)AppXManifest.xml”}

  • Hit Enter

After the execution of command the Windows key should start working.

Solution 2: Modify your Registry

If there is some problem with your registry, then Windows key might stop working. This problem can be fixed by modifying your registry. Follow the steps mentioned to change the registry.

  • Hold Ctrl+ Shift+ Esc keys, to open Task Manager.
  • Go to File > Run New Task
  • Enter regedit, click OK.
  • In the left pane, navigate the following path

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Keyboard Layout

Fix Windows Key Not Working issue by Modifying Registry  in windows 10


  • Expand the Keyboard Layout key, locate Scancode Map registry entry and delete it.Close Registry Editor, restart your PC.


Solution 3: Disable Gaming Mode

Gaming keyboards have some keys disabled so that it does not interfere during gameplay sessions, even if you accidently press it. Many users aren’t aware that their keyboards have turned to gaming mode while cleaning it. If your Windows key is not working be sure that your Gaming Mode is off.

Many keyboards have Gaming mode switch on them. It is usually located above F2 and F3 button, with a symbol of joystick next to it.

Solution 4: Check for Win Lock key on your keyboard

While some keyboards have Gaming mode, some other keyboards have Win Lock key. This key is used to disable Windows key on your keyboard.

If Windows key isn’t working on Windows 10 then press Win Lock key and check the Windows key, it should start working again.

Solution 5: Create a new User Account.

The other solution to Windows key not working in Windows 10 is to create a new User Account. Following steps should be followed:

Open Settings (app)

  • Navigate to Accounts section
  • Navigate to Family & other people section.
  • In Other people section, click Add someone else to this PC button.
    Add new user in windows 10 PC
  • Choose I don’t have person’s sign-in information, above privacy statement as shown below.
    I don’t have person’s sign-in information windows 10 create new user
  • Select Add a user without a Microsoft Account.
    Add a user without a Microsoft Account
  • Enter you name for new user account and click Next.

After creating a new account, sign out of your account and login to new account. Check now whether Windows key is working or not. If it is working in the new user account, it was because of software you were facing this issue.

You can now transfer your personal files to new user account and use this as your main account.

Solution 6: Perform SFC scan

Sometimes windows installation becomes corrupted; due to this Windows key might stop working hence a SFC scan is necessary.

To perform SFC scan follow these steps:

Step 1:  Run new Task using Task Manager

Open Task Manager, choose File > Run new Task.

Step 2: Open Command Line Console

  • A new window of Create new Task opens
  • Enter cmd and check Create this task with administrative privileges.

    Open CMD

Step 3: Execute Scan Command


  • Enter sfc/scannow, press Enter
    RUN sfc /scannow command


  • Restart your PC after Windows 10 installation scanning is completed.

Check whether the problem is resolved. If problem isn’t solved then, start Command prompt again and type or copy paste

Dism /Online /Cleanup-Image /RestoreHealth command.

Again check whether the problem is resolved or not.

Solution 8: Check for malware and viruses.

Certain malware and viruses can sometimes disable Windows key completely. If you encounter that your PC is infected by some virus then a full system scan is recommended.

Remove CRC-SHA from Windows10 Context Menu

If you have installed the latest version of 7-Zip (File Compression Tool) on your Windows10 machine, you might have observed the entry named CRC-SHA into the context menu.

By pointing to the arrow you will find the entries like:

  • CRC-64
  • CRC-32
  • SHA-256
  • SHA-1
  • *

This article will try to explain what CRC SHA is and how to remove it from the context menu.

windows 10 CRC SHA context menu

What is CRC SHA?

CRC is Cyclic Redundancy Check which is used in digital networks for identifying any the changes made to the data. SHA is an abbreviated form of Secure Hash Algorithm, is used to determine the integrity of data being downloaded from Internet; it also ensures that the data is not corrupted.

If you are not interested in knowing the functionality of CRC SHA algorithms, you can discard it completely.

How to Remove CRC SHA from Context Menu in Windows10?

So how can you remove CRC SHA from Context Menu? You can remove it by following few simple steps:

Step 1:

To open 7-Zip File Manager, type 7-Zip and press Enter


Open 7 zip file manager windows 10

Step 2:


  • Select Tools
  • Click Options


Step 3:


  • Select 7-Zip tab.
  • In Context menu items, multiple checkboxes are present. Uncheck CRC SHA >
    Disable CRC SHA 7 zip options
  • Click Apply.


Done! CRC SHA is removed from context menu in Windows10

Note:  If you are prompted with an error message like, ’An event was unable to invoke any of the subscribers’, click OK to remove CRC SHA from context menu.

Windows 10 Multiple Editions : What You Need to Know

Difference between Windows 10 Multiple Editions

Windows 10 multiple edition are designed to deliver more personal computing experience across range of devices– PCs, tablets, phones. This makes it flexible for user to use any edition according to his convenience on any device of his choice without compromising security.

Windows 10 multiple editions, fulfill the customer requirements ranging from standard PC user, small, medium or large enterprise, for members of educational institute for which Windows 10 Educational edition is useful.

Difference Between  Windows 10 Home, Windows 10 Mobile, Windows 10 Pro, Windows 10 Enterprise, Windows 10 Education and Windows 10 Mobile Enterprise:

Windows 10 Home

A consumer-focused desktop edition will provide a streamlined Windows experience. A user, not super concerned about security of business data or does not have many devices to manage will find Windows 10 Home as perfect solution from Windows 10 multiple edition.

Windows 10 Home is designed to deliver best user experience that any standard PC user wants. All thanks to new set of innovations that makes it operating systemmore productive, out of which some are mentioned below:

  • Cortana, voice-activated personal assistant.
  • New Microsoft Edge web browser
  • Continuum feature knows which device user is using and helps to switch between the user interface to make it suitable for tablets, 2-in-1 devices.
  • Windows Hello– a biometric authentication feature is provided in Windows 10 devices. This is just by showing your face, iris or fingerprint to unlock your device. This is far better and secure than the traditional password system which can be easily forgotten or hacked.

For gamers, if a user owns Xbox One then, he will be able to stream and play games on his local network and on any PC. Windows 10 Creators Update will help live-streaming video game via Beam.

Windows 10 Home also offers wide range of universal apps such as Photos, Maps, Mail, Calendar, Music and Video.

Windows 10 Mobile

Windows 10 Mobile provides great user-experience for smaller devices such as mobile, touch-centric devices such as tablets, smartphones. It includes the universal apps as in Windows 10 Home as well as touch-optimized Office versions which increases the flexibility of Windows 10 Mobile edition.

This provides great productivity, security and management features to customer who wishes to use this edition on their device at their work place. For some devices it is possible to use Windows 10 Continuum feature (for phone) which helps customer to use their phone as PC when required.

Windows 10 Pro

Windows 10 Pro meets the diverse needs of small businesses having excellent and innovative features of Windows 10 Home as well as its own features that a professional would need.

Windows 10 Pro comes with security feature for professionals. It provides encryption tool BitLocker that allows lockdown on all your drives. Apps such as Device Guard and Secure Boot ensure that the devices aren’t hijacked by malware and other malicious software.

Windows 10 Pro will prove a great choice for organizations supporting Choose Your Own Device (CYOD) – a program that allows an employee to choose a device from list of varying devices such as

  • Smartphone
  • Tablets
  • PCs

Windows Update for Business will reduce the management costs, provides access to- security update, latest innovation from Microsoft.

Windows 10 Enterprise

Windows 10 Enterprise is designed specifically for medium and large businesses and organizations. It provides feature of Windows Update for Business from Windows 10 Pro, plus access to Long Term Servicing Branch (LTSB) updates.

LTBS feature provides protection against security threats targeted to devices, application and company’s confidential information.

There are two version for Enterprise Edition available for purchase: E3 and E5.
Enterprise E3 version provides all the above features plus Microsoft Desktop Optimization Pack. This allows the employers to virtually manage employee’s PCs.

Enterprise E5 version provides features of Enterprise E3 plus access to Windows Defender known as Windows Defender Advanced Threat Protection.

Windows 10 Education

Windows 10 Education built on Windows 10 Enterprise provides tools for students, teachers, administrators and employees in educational institutions.
Windows 10 Education is available through academic licensing and pricing based on volume. The school and students using Windows 10 Home or Windows 10 Pro can upgrade to Windows 10 Education.

Windows 10 Mobile Enterprise

Windows 10 Mobile Enterprise is designed for business customers on smartphone and small tablets. It will be available to Volume Licensing customer. It provides Windows 10 Mobile features such as security, device management capabilities. In addition to this it provides flexible ways for business to manage updates. This edition also provides the latest security and innovation feature as soon as they are available.