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I have in my PC 16GB of memory. If I leave my computer on for some time (hours or days, it is random), at some point I get a 90% load of memory and I get a lot of apps being really slow for some time (1 minute - forever, again random, some times I need to reboot). Even if the apps continue to run normally the memory usage is still pretty high (over 70%).

Memory Monitor

I followed the instructions from this post and used poolmon to check all non paged usages of memory in the pool and found out that there is a single allocation of 5GB by ConT, while the next one allocates only 35MB.

Poolmon

According to the post, we assume that there is a driver with a memory leek. So, I tried to find the driver using: findstr /m /l /s ConT %Systemroot%\System32\drivers\*.sys

Find ConT

I found nothing. Then I starting searching for more information about ConT and found here that it stands for: Contiguous physical memory allocations for device drivers, and there is no specific driver that is connected with it.

Can you help me find out how to reduce the memory it allocates and make my PC fast again?

Stefanos Kargas
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ConT seems to be linked to my VirtualBox. It allocates the memory needed by my VMs. This is the reason it is so high. As soon as I shutdown my VM, I see the memory being freed instantly. While my VMs allocate memory dynamically, they seem to never free memory that they have allocated, until rebooting them. So, I guess every now and then I need to reboot my VMs.

Also I decreased the memory assigned to my VMs and this helped a lot, because there is a limit on how much memory they can allocate and the freezes of my PC do not happen as often now.

Stefanos Kargas
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