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Fix 'C Drive Is Full | C Drive Gets Full Automatically' Error

Updated on Dec 19, 2018 by Tracy King to Partition Manager

Does your C: drive get full automatically without reason? Do you know how to stop Windows C drive from getting full randomly? This page will show you how to prevent and fix this issue with two reliable methods. Just follow and make your Windows PC work normally again with C drive.

"Does anyone know what to do when the C drive gets full automatically without reasons? My HP laptop gets slower and slower recently since the C drive always gets full automatically without any reasons.
I checked the C drive, no extra or strange files exist. If anyone of you knows how to fix 'C drive is full randomly' error, please help.

'C drive gets full without reason' indeed has caused some serious problems to many Windows users. Here now, this tutorial article will offer you two quick and effective methods to help you directly fix the 'C drive full' error in Windows 10/8/7. Just follow and get rid of this issue from your PC now:

Method 1. Quick Fix "C Drive Is Full without Reason" Error with Free Partition Manager Software

Free partition manager software - EaseUS Partition Master Free supports you to get rid of the 'C Drive is full without reason' error quickly within three simple steps with its Cleanup and Optimization feature:

Download Now

 Windows 10 is supported


Step 1: Launch EaseUS Partition Master. Select "Tools" and click "System Optimization".

choose system optimization

Step 2: Click "Junk File Cleanup". Then you can click "Analyze" to let EaseUS Partition Master find junk files on your PC.

choose junk file cleanup

Step 3: You can check and choose junk files and click Clean up. All of the selected junk files will be cleaned and deleted from your PC. Click "Yes" to clean up junk files.

Clean up junk files

Method 2. Manually Resolve "C Drive Gets Full Automatically" Issue

As we all know, that most Windows system will enable Windows backup & recovery feature to create a restore point on Windows PC so to avoid unexpected system crash or failure error. And the created Windows restore points will be saved in C drive by default.

This is why your computer C drive gets full automatically without reasons. So how to stop this? You can follow these tips below to manually resolve “C drive gets full randomly” error now:

Step 1. Right-click on This PC and select "Properties".
Step 2. Click on "System Protection", select "Configure..."

Manually fix C drive gets full error.

Step 3. Click Turn off system protection and then click "OK" to keep the changes.

Fix 'C drive gets full automatically' error.

Step 4. Restart your PC, and then the computer won't create a restore point automatically on your computer to fill up the C drive anymore.