What to do when C Drive keeps filling up for no reason Windows 10

CDrive (C:) is the main hard disk partition which contains the Operating System and the related important system files. Additionally in the later Windows Versions, the C: Drive is labeled as Primary Drive or Local Drive. Being a primary Drive, (storage location) all the third party programs aims to install into this particular storage partition. Well this practice somewhere helps the users but unfortunately not all the time. And here in this tutorial we are going to discuss one of the related issues and that is C Drive keeps filling up for no reason Windows 10.

As per the reports it is one of the most common troubles faced by the Windows users and that is lack of storage space on their drive. And as we all know that having some free space on drive is extremely important especially at the time of Windows Update or Upgrade and keep in mind such type of tasks demands space on your drive for their successful execution.

And we understand that so many users don’t pay much heed to make room on their drive every time before proceeding with any task which demands drive space. And when they get stuck in the middle of task they find that there is not enough space in the drive. And then it requires to clear up the drive space. Well it’s a common scenario so take a chill pill and keep reading the blog if you desperately wants to clear the junk from your drive.

But before discussing the solutions, lets know the potential reasons that are responsible for eating up your drive space for no good reasons:

Reason 1: Too many apps running in the background

Reason 2: Due to temporary cache files

Reason 3: Virus/Malware Attacks

Reason 4: Hidden files and the hibernation settings on your computer

Reason 5: Corrupted System Files

Try these fixes for C Drive keeps filling up for no reason Windows 10

Method 1: Run Disk Cleanup

Before proceeding with any other methods we suggest you to run the Disk Cleanup. It is a utility tool which not only scans your hard drive and frees up spaces on it. And if you have not performed disk cleanup, you really need to do so.

Follow the below mention steps to proceed:

Step 1: First of all go to Start Menu and type in Disk Cleanup and open it up>the C drive is selected by default, so tap on OK

Step 2: Now on the list, just check the boxes like Temporary files, Previous Windows Installation etc and then click on OK


Wait till the process gets completed.

Method 2: View the Hidden Files

Well few of you knows that many hidden files created when we install Windows or after installing third party programs which we cannot view or access. So to view those files you need to turn on “View Hidden Files” option to tackle the issue:

Step 1: First of all open Windows Explorer>tap on File on the left corner and choose “Change folder and search options”

Step 2: Then Switch to the View tab>after that locate Hidden Files and folders & check the “Show Hidden files, folders, or drives option.

Step 3: Finally tap on Apply and then OK

Then check your drive for the unwanted files and delete them but make sure not to delete Windows System files otherwise it may lead to system failure.

Method 3: Manage your System Restore Points

System Restore Points consumes a lot of space on your computer depending upon how you have configured System Restore.

So follow the below mention steps to adjust the space that System Restore Points:

Step 1: In the Windows Search bar type in System Restore>Click on the Create a restore Point option from the search results

Step 2: Then Select Local Disk (C:) under the Available Drives

Step 3: Tap on Configure>In the next step, adjust the Max Usage Slider to the left>click on OK

Step 4: Then select Local Disk (C:) under the Available drives>tap on Configure

Step 5: In the next step, adjust the Max Usage slider to the left> tap on OK


Method 4: Scan for Malware

In the very beginning of this blog we have mentioned that you are likely to face the above mention issue if you have malware and virus on your PC. So in such scenario you can run built-in tool of Windows to scan for Malwares.

To proceed follow the below mention steps:

Step 1: In the Window Search Menu, type in Windows Security>tap on the Windows Security app from the results

Step 2: Now click on Virus & Threat Protection>In the Current Threats, tap on Scan Options

Step 3: In the next step, make sure the Full Scan option is selected>click on Scan Now

Step 4: Now wait till the scanning process gets completed but keep in mind kindly don’t interrupt the scanning in the middle


Method 5: Remove Unnecessary Apps

You are also suggested to remove unwanted apps or programs on your computer, it will free up space on your drive.

Here’s how:

Step 1: Open Windows Settings by pressing Windows + I keys>Click on App Settings

Step 2: Now search and tap on any unwanted apps from the list and select Uninstall option


Step 3: Finally confirm the prompt if any, and once you have reinstalled the app then kindly reboot your system

Method 6: Extend C: Partition

Several users have claimed that they managed to get past the C Drive keeps filling up for no reason Windows 10 issue by extending the C partition.

Here’s how:

Step 1: First of all press Windows + R keys to open Run dialog box>then type in diskmgmt.msc in the required field and press Enter key

Step 2: Now open the Disk Management windows, right-click on Local Disk (C:)

Step 3: Then click on the Extend Volume option. If it is grayed out it means there is no unallocated space available on your storage device. In order to unallocated space from another partition, right-click the Partition in the Disk Management and select Shrink Volume. After that enter the amount of space you desire to unallocated

Step 4: Now in the Extend Volume Wizard, tap on Next>then adjust the amount of space you want to add the C: drive by using Select the amount of Space in MB option.

Step 5: Click Next>then Click Finish


Instant Solution for Windows Issues

If none of the above mentioned methods works for you then you really need to scan your system’s repositories. And to do so we strongly recommend you a PC Repair Tool. We are recommending an automatic tool to do the same because manually you may not clear the junk properly and effectively. So use this tool to scan your system.

⇑Get PC Repair Tool from Here⇓

That’s all guys, we have tried our best to provide all the important information regarding the above mention issue and now its turn your turn to follow our guidelines.

Thanks for Reading.