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rrhandle8Flag for United States of America

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Computer slow / BSOD

At times my computer almost freezes up.  I move the mouse, and it takes a few seconds to move on the screen.  If I don't reboot right away, the computer completely stops working.  This happened again today, and I notice that the Task Manager is telling me the C drive is full.  See imagesUser generated imageUser generated image.
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John
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All the things happening to you can happen because the disk is full and you have run out of space.

Go to Admin Tools and run Disk Cleanup immediately. That will free up some space.

Then get Tree Size Pro (Jam Software). Download it, install it and Run it as Administrator. Set to look at hidden files and allow it to sort your drive folders. See what is taking all the space.

In particular, do you have local backups running (these chew up space)? or do you have a Windows.old folder?  Run Disk Cleanup again and this time choose Clean Up System files. Select Windows.old to clean up.
Hello rrhandle8,

that 100% represents how much the Disk is used and not how full it is.
It might be a programm crashing you. Try to identify the program writing to the disk that much.

Might also be a broken hard disk.

Friendly regards
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CompProbSolv
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CompProbSolv -- Something called "Windows Module Installer" was the problem.  What is that? Thanks for your help!
Take a look at Windows Update to see if something is going on there....
You should read this article.
Windows Modules Installer
Obviously some experts have read your words but not read the data you have presented. You have plenty of spare disk space available!!

There are two metrics involved with disk performance, Throughput (MBytes/sec) and Bandwidth (IOPS). Your screenshot seems to show your disk is running at its maximum IOPS.
Sascha, I read that article.  The troubleshooter did not find anything, as usual.  BTW: Holding down the Windows key then pressing "W" opens the "Windows Ink Workspace" which was of no use.
I shut down the Windows Module Installer, and everything seems to be working fine.
I mis-read the first post (sorry about that). Check the hard drive as suggested and also check your Memory (memtest86.exe). Then run your own Anti Virus (full scan) followed by Malwarebytes. Then TDSSKiller from Kaspersky to detect root kit issues.