Disk C regularly fills up on its own, what should I do?

Question

Windows

I have a 500 GB SSD, Windows 10, I bought a comm in China through Ali, Windows 10 was installed, reinstalled on another Windows 10
s - 75 GB
e - 200 GB
d - 200 GB
the disk has recently started to boot itself to failure.
for the night that the computer is turned off, it can fill in 10 GB of
Kaspersky - there are no viruses. Windows 10 does not see viruses :)
maybe the Chinese sewed something into the computer? :)
or does Windows do what it wants?
how to stop autocomplete drive c ?

Answer 1

The disk has recently started to boot itself to failure.
for the night that the computer is turned off, it can fill in 10 GB

On a disabled computer??? An extremely strange phenomenon. First of all, you need to figure out what the disk is filled with, which file is involved in this. In the days of WinXP, the Sequoia program helped a lot in this matter (I don’t know if it is suitable for W10).

how to stop autocomplete drive c ?

The answer to this question depends entirely on the answer to the previous one.

Answer 2

s - 75 GB

Is this by chance the size of the system partition?
The system partition can be made of any size, but there should be at least 100GB of free space after installing systems and all programs.

Answer 3

1. Find a folder that is growing.
2. Google whether it should exist at all in Windows or is it something third-party, if Windows - google what should be there and what volume.
3. If something is third-party, you decide what to do with it.

Answer 4

Maybe data is being archived or a system backup is being performed, or God knows what else ....

Answer 5

it is not clear why *** fuck moscow with registrations. Is that a problem? What's the point of making it harder for people to share experiences? What for moderators do such dirty tricks? A hundred times more useful information would be and life would be easier if people passing by wrote a couple of lines and went on. Well, I spent an extra 5 minutes, and on another site it will be a bummer, life is fleeting ..
So, the most important thing I advise you to start with is to determine the location of the folder that contains the fast-growing file. It's tedious, but not difficult.
Next, take and stupidly delete the software rubbish that you were honored to install for yourself.
In my case, it was a game manager from Plarium. 30 Gig of free space on drive C disappeared in a couple of days. I found out that these fools came up with the idea of ​​saving a log file without limiting its size.
I 'm attaching a screenshot
. And here's how their software junk worked: