Copying large files consumes too much memory

Dzomlija said:

Does using Microsoft SyncToy 2.1 also produce this memory usage problem?

Yes!

So I decide to completely remove NOD32 from system, as it was most suspicious piece of software to me. It looks like that problem is solved. I copy files from C to D disc for almost an hour but can't repeat problem with memory now when NOD32 is removed from the system so I suspect it was NOD32 causing the problem. If problem came back I will inform you here.
Thanks to all who tried to help me solve this problem.
If someone wants to see how it looks before I take NOD out, here is screen snapshot:

If you didn't already do it I would have suggested it. NOD32 has been causing memory leak problems for a long time now on certain machines. As you found out, disabling isn't enough. It needs to be removed from the system completely.

give this a try

ESET Knowledgebase - How do I manually uninstall my ESET security product?

this is a list of removal tools I have been working on putting together for AV/security programs

Agnitum Outpost Removal Tool
How do I uninstall Outpost manually?

Avast Removal Tool
avast! uninstall utility

Avira Removal Tool
Avira Antivirus Solution - Download AntiVir Removal Tool

AVG Removal Tool
AVG Antivirus and Security Software - Tools download

BullGuard Removal Tool
BullGuard Antivirus, Antispyware, Firewall, Spamfilter, Backup and Support - all the security you need in one package!

BitDefender Removal Tool
How to uninstall BitDefender


Computer Associates Removal Tool
Knowledge Document - Unicenter ServicePlus Knowledge Tools

Drweb Removal Tool
Download - Drweb Antivirus Removal Tool - Dr.Web users' forum

Escan Removal Tool
Download - Drweb Antivirus Removal Tool - Dr.Web users' forum

F-Secure removal Tool
F-Secure Support pages

GDATA Removal Tool
Tools - G Data Software AG

IObit Removal Tool
T-Tools BitRemover

Kaspersky Removal Tool
Service messages

MalwareBytes Removal Tool
Common Issues, Questions, and their Solutions - Malwarebytes Forum


McAfee Removal Tool
How to uninstall or reinstall supported McAfee consumer products using the McAfee Consumer Products Removal tool (MCPR.exe)

Nod32 Removal Tool
ESET Knowledgebase - How do I manually uninstall my ESET security product?

Norman Removal Tool
Norman | Uninstall Norman Virus Control

Norton Removal Tool
Download and run the Norton Removal Tool

Panda Removal Tool
http://www.pandasecurity.com/resourc...STALLER_09.exe

Prevx Removal Tool
Prevx Removal Tool

SuperAntiSpyware Removal Tool
SUPERAntiSpyware.com - Please review before submitting your customer support request.

Sunbelt Removal Tool
http://www.sunbelt-software.com/supp.../CS&VClean.exe

Trend Micro Removal Tool
How to uninstall older versions of Trend Micro products using the Trend Micro Diagnostic Toolkit

Webroot Removal Tool
TeMerc Internet Countermeasures • View topic - SpySweeper update causes problems

Windows Live Onecare Removal Tool
http://download.microsoft.com/downlo...areCleanUp.exe

ZoneAlarm Removal Tool
http://download.zonealarm.com/bin/fr...cpes_clean.exe

Dzomlija said:

Completely off topic, but seeing as you removed NOD, perhaps you can help me? How the hell do you remove it? I'm trying to instll Kspersky for a client, but it keep on stopping, saying that NOD needs to be removed first.

Trouble is, NOTHING wants to get rid of NOD...

Start, All programs, ESET, uninstall. After that with regedit cleaned registry and deleted remained files & dirs on hdd.

You might also give RichCopy a try:

Free Utility: RichCopy, an Advanced Alternative to RoboCopy

and

Keith Combs' Blahg : RichCopy bulk file copy tool released ? get it here

Also, check out this thread on the same topic:

Why are my file copies so SLOW?

Cheers!
Greg Oliver [MSFT]

Removing Eset Nod32 and/or ESS

There is a service running that can't be stopped except
via using NOD32 own uninstaller

* Note:- computer MUST have a copy of Nod32 installer *.exe
on computer before uninstaller will work.

So, get any copy of Nod32 as if you were going to install
and run [start it]
Use OPTION to uninstall and it will stop that service during uninstall
[unless you have Nod32 passworded - then need password for uninstall to complete.

Once done, reboot computer and go to C:\Program Files\ESET <-- delete this folder
* If it won't delete, rename it, reboot computer again and then
renamed folder will delete.