Solution for doscan.exe process occupying a large amount of CPU and memory

Source: Internet
Author: User
Tags landesk

Symptom
After installing Symantec AntiVirus release edition 10.0 or Symantec Client Security 3.0to restart your computer, you will find that the doscan.exeimport consumes a large amount of CPU and memory. After the doscan.exeimport, The rtvscan.exe process uses about 40 MB of memory to speed up your computer.

Solution
This problem has been fixed in Symantec AntiVirus 10.0.1 and Symantec Client Security 3.0.1, and can be solved by installing the software of the above version. If you cannot install the software of the above version, you can use the following work und:
Modify the Registration Table file to prevent the quick scanning (that is, the doscan.exe process) from starting after the machine is turned on ).

Remove "Start quick scan" from Symantec AntiVirus clients"
Stop any running scans, download and import the removestartscan. reg file.
When installing client software, avoid creating "Start quick scan"
When you install or migrate a managed client, download and import the preventstartscan. reg file from each client.
Note: After removestartscan. Reg is imported, all user-created custom scans are deleted. You must re-create a custom scan. These two files are only valid for currently logged on users. When multiple users use the same computer, each user needs to log on and run the above files.

If the problem persists, disable defwatch quick scan. Downloading and importing the defwatchqsoff. reg file can disable defwatch quick scan.

If you need to disable defwatch quick scan on multiple client computers, read the document disabling the quick scan that runs after virus definitions update.

Technical Information
The doscan.exe process is part of the quick scan started by default after a user logs on. Enable quick scan can be disabled in Symantec AntiVirus 10.0.1 or later.
Save the followingCodeFor removestartscan. Reg, double-click it.Copy codeThe Code is as follows: Windows Registry Editor Version 5.00

[-HKEY_CURRENT_USER \ Software \ intel \ LANDesk \ virusprotect6 \ CurrentVersion \ custom tasks]

[HKEY_CURRENT_USER \ Software \ intel \ LANDesk \ virusprotect6 \ CurrentVersion \ custom tasks]
"Createduserquickscan" = DWORD: 00000001
"Copieddefascanscanoptions" = DWORD: 00000001

[HKEY_CURRENT_USER \ Software \ intel \ LANDesk \ virusprotect6 \ CurrentVersion \ custom Tasks \ default scan options]
"Scanforgreyware" = DWORD: 00000000
"Scannotifystopservice" = DWORD: 00000001
"Scannotifyreboot" = DWORD: 00000002
"Scannotifyterminateprocess" = DWORD: 00000001

[HKEY_CURRENT_USER \ Software \ intel \ LANDesk \ virusprotect6 \ CurrentVersion \ custom Tasks \ taskpadstartup]

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