Question What is taking up 99 percent of my C drive?

[Gulago]

I have a MSI GL7REX laptop and recently my c drive has been filling up and is now at 99 percent full, i usually install things to my d drive to not take up space there but it just keeps getting fuller, why is this and how could i fix it?

 

[Phaaze88]

Virus or other malware is a possibility. Do a virus scan.
Give this one a whirl while you're at it: https://downloads.malwarebytes.com/file/adwcleaner

 

[jay32267]

Try this.....or there are other drivespace viewing freeware apps

To view the storage usage on your computer, use these steps:

1. Open Settings.
2. Click on System.
3. Click on Storage.
4. Under the "Local storage" section, select the drive running out of space. ...
5. See how the storage is being utilized.
6. Select each category to see even more details and actions that you can take to free up space.

 

[jsmithepa]

Enabled an automated/unattended backup?

 

[rocktalkrock]

Run a program like SpaceMonger to see what is taking up space on your C drive.