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How to Fix C Drive Access Denied Windows 10 Error

Do you want to access the C drive but face the C Drive Access Denied in Windows 10 issue? Read this article to learn all the fixes to this problem.

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Updated on May 12, 2024

Permission issues are the primary cause of this C drive access denied in Windows 10. It is possible that you don't have permission to access the C drive partition. Other than that, bad sectors are also behind the occurrence of this error while accessing system files.

Moreover, User Account Control can also deny you access to some partitions and destination folders. Irrespective of the issue causing this error, EaseUS will help you access the C drive files with a simple solution.

Before going through the possible fixes, we recommend you check if the drive is password protected. Once you are satisfied with the absence of any type of password, read these possible fixes to solve the drive access errors.

How to Solve C Drive Access Denied on Windows 10?

Upon resolving the password protection issue, you can move forward with fixing the access denied error using simple methods. All the fixes explained in this section will help you to get rid of permission and drive health-related issues.

Once all the causes are resolved, you can easily access the C drive on your system. Therefore, let's go through these fixes individually to resolve the "C Drive Access Denied Windows 10" error.

Fix 1. Give Full Permission to C Drive in Windows 10

As discussed, this C drive access-related problems usually occur due to permission restrictions. So, we will start the process of fixing this C drive access denied in the Windows 10 issue by giving users complete control to access this partition. The following steps will guide you throughout the process to help you access system files on the C drive:

Step 1. Begin the process by accessing the "This PC" tab from the "File Explorer" window. Now, locate the "C Drive" and right-click on it to access a new menu. From here, choose the "Properties" option to start adjusting the permissions settings.

Step 2. Upon accessing this "Local Disk (C:) Properties" dialog box, shift to the "Security" tab. Then, choose the user to whom you want to give full control of the C drive. Afterward, hit the "Edit" button to further access a new dialog box to grant permissions. 

give full permission to c

Step 3. Once you enter the "Permissions for Local Disk (C:)" window, check all the boxes below the "Allow" section. Then, press the "Apply" button to give permission to this specific user to access all the content of the C drive.

If you are able to solve the C drive issue using this method, we encourage you to share this article with your professional circle to help them access system files.


Fix 2. Check and Repair Bad Sectors on C Drive

When you suspect that C drive is causing problems due to bad sectors, we recommend you repair these sectors to solve the access denied issue. To do so, you will need an efficient partition manager to solve this issue related to the C drive. EaseUS Partition Master Professional is one such tool that can assist you in checking the disk partition's health state.

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Let's move forward to discuss the steps you need to follow to repair bad sectors and solve the C drive access-related issues on your Windows 10.

Step 1. Open EaseUS Partition Master on your computer. Then, locate the disk, right-click the partition you want to check, and choose "Advanced" > "Check File System".

choose Check Partition

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

check the pop-up instructions

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

finish partition check

This is how to repair bad sectors using EaseUS Partition Master. In addition, this tool comes with a disk surface test, which will mark the bad sectors on the disk so the system can identify them to avoid the "C Drive Access Denied Windows 10" problem. 

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Fix 3. Convert the Current User Profile into the Administrator Profile

If the problem still persists due to the permission error, you should look to give administrative access to your current user profile. Doing so will allow you to perform any action on this system without asking for permission from the administrator account profile. These simple instructions can help you convert your local profile to the administrator user profile with a few clicks:

Step 1. First, you need to access the "Control Panel" window on your device using the search functionality on the taskbar. Upon accessing this application, press the "Change Account Type" option below the "User Account" button to move towards fixing the "C Drive Access Denied in Windows 10" error.

Step 2. After entering the new window, choose the account whose type you want to change. All the accounts on your PC will be listed here so you can easily manage them.

Step 3. On reaching the "Change an Account" window, click the "Change the Account Type" option. Users can find this option under the "Make Changes to Account" section at the top of their screen.

Step 4. Moving forward, choose the "Administrator" option under the "Choose a New Account Type for Computer" section. Once you have made the selection, hit the "Change Account Type" button to solve any issues related to C drive accessibility.

press change account type

Fix 4. Run CHKDSK

Users facing the C drive access denied issue due to the bad sectors can choose to run this command. With this method, you will be able to scan your hard drive to locate corrupted files and solve the "C Drive Access Denied Windows 10" issue. Take guidance from the steps explained below to fix these C drive-related problems:

Step 1. Start this process by searching "Command Prompt" through the search bar in the taskbar. Now, press the "Run as Administrator" option to access this tool and run your desired commands.

Step 2. Upon accessing the command prompt application, type the following command and press the "Enter" key to scan and identify all the disk-related errors in your system.

"chkdsk C:"

Step 3. Moreover, you can scan and fix all the disk-related errors by running the following command to resolve the C drive access denied issue.

"chkdsk C: /f /r /x"

execute chkdsk on c

Fix 5. Clone C Drive to Another Partition

When you are unable to access the C drive, you can choose to clone C drive to another drive to open the system files. Users can do so with the help of an efficient partition manager, such as EaseUS Partition Master. Using this tool, you will be able to perform sector-by-sector cloning to make the data accessible. Other than that, this partition cloner allows you to clone data between multiple partitions to resolve content accessibility issues.

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Step 1. Select "Clone" from the left menu. Click "Clone Partition" and "Next".

Step 2. Select the source partition and click "Next".

Step 3. Choose your the target partition and click "Next "to continue.

  • If you clone partition to the existing partition, you should transfer or back up data before cloning to prevent it being overwritten.
  • Check warning message and confirm "Yes".

Step 4. Click Start and wait for the clone to complete.

You can check how to clone partition or system reserved partition on this video tutorial.

With this partition cloning feature, users can back up their data while upgrading from Windows 10. Other than partition cloning, EaseUS Partition Master can clone the whole system or internal hard drive in an attempt to resolve the "C Drive Access Denied Windows 10" problem. 

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Why Is My C Drive Not Accessible?

After discussing some top fixes to make your C drive accessible, let's go back to the diagnosis of this issue to help you better understand the matter. Here, we will list down all the possible reasons for the "C Drive Access Denied in Windows 10" issue:

  • Disk Permissions: When your disk permissions get altered due to various reasons, these limitations can lead to restricted access to C drive for specific users.
  • Changed Ownership: Users who lost administrative access from their accounts may face this issue due to a lack of ownership rights.
  • Logical Errors: You can also face limited access to the C drive in Windows 10 due to logical errors within the file system.
  • Uninitialized Drive: While your C drive is still in the initializing stage, you won't be able to access its content. You have to set up the drive properly before accessing the content. 
  • Out-of-Date Drivers: Users who don't update their drivers regularly will eventually face the "C Drive Access Denied in Windows 10" problem.
  • Password-Protected Drive: When your drive is password-protected, you will not be able to access the disk content without a passcode.
  • Corrupted Disk: Systems facing disk corruption issues will affect the accessibility of the C drive. So, you will need to go through the repair process to regain access to the drive data.

Here are some other topics you may like to learn about the C drive errors; check them below if you are in need.


Throughout this article, we have explained all the possible fixes and causes related to the "C Drive Access Denied in Windows 10" error. You can apply any of these solutions to access the partition data without any limitations.

However, EaseUS Partition Master will prove to be the best choice for people facing such issues. With its partition cloning and sector repair features, this third-party tool can help you access the C drive data.

C Drive Access Is Denied FAQs

Once you have gone through this article, it is time to read some commonly asked questions if you still have any confusion left in your mind.

1. How to give full permission to the C drive in Windows 10?

Users who want to resolve the C drive accessibility problem can choose to give full permission to this particular partition using the following instructions.

1. After accessing the "This PC" window, right-click on the "C Drive" to access a new drop-down menu. From this menu, press the "Properties" option to enter a new dialog box to fix C drive-related errors.

2. Now, switch to the "Security" tab and hit the "Edit" button to reach a new mini window. Here, you need to select the user and check all the permission boxes under the "Allow" section to finally grant permission to the C drive.

2. How to fix the access denied and hard drive not accessible errors on Windows 10?

To fix both of these issues, you can utilize the command prompt application and run the desired command. Here are the instructions that will help you implement this method on your system:

1. Start the process by accessing the "Command Prompt" application and run it as the administrator on your system.

2. Now, run the following command on this application to fix bad sectors and resolve the access denied and hard drive not accessible issues.

"chkdsk C: /f /r /x"

3. What causes C drive access denial?

There are various reasons that can lead to the C drive accessibility issues, including bad sectors and permission restrictions. Other than that, the change in administrative ownership of the user account can also cause this issue. Moreover, the corrupted files and password protection will also limit your access to the C drive content.

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About the Author

Updated by Sherly

Sherly joined EaseUS in 2022 and she has always loved writing articles and enjoys the fun they bring. She receives professional training here, focusing on product performance and other relative knowledge. She has written over 200 articles to help people overcome computing issues.

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