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MS Security Essentials "Quick Scan" Takes Hours


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#1 fenisnad

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Posted 12 July 2015 - 01:04 PM

I'm running MS Security Essentials, and after a bit too long without a scan (weeks, probably), I ran a quick-scan, and quickly remembered why I don't run it often: It takes 2-3 hours. My hardware isn't stellar - 4gm RAM and a 2.1GHZ processor - but I don't think that's the cause. Does anyone know why this would be the case?



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#2 severac

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Posted 12 July 2015 - 01:35 PM

Hello and welcome, 

 

I am also using MSE, and have similar configuration, but quick scan takes only 15 minutes. I can see that number of processes, installed programs and files in archives affects the scan duration. 

 

Do you have a lot of installed programs? 


I would like to help you to remove malware. Let's look inside.   :busy:

But I don't know to solve all PC problems.  :smash: 

 


#3 Sintharius

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Posted 12 July 2015 - 01:51 PM

There can be a lot of reasons: A lot of files, too much work in the background, or even a failing hard drive.

If you can let us know how much data is on the hard drive, it will help.

#4 quietman7

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Posted 12 July 2015 - 04:12 PM

The speed and ability to complete an anti-virus or anti-malware scan depends on a variety of factors.
  • The program itself and how its scanning engine is designed to scan: using a signature database vs heuristic scanning or a combination of both.
    ...see How an Anti-virus Program Works.
  • Options to scan for rootkits, adware, riskware and potentially unwanted programs (PUPS).
  • Options to scan memory, boot sectors, registry and alternate data streams (ADS).
  • Type of scan performed: Deep, Quick or Custom scanning.
  • What action has to be performed when malware is detected.
  • A computer's hard drive size.
  • Disk size and used capacity (number of files that have to be scanned).
  • Types of files (.exe, .dll, .sys, .cab, archived, compressed, packed, email, etc) that are scanned.
  • Whether external drives are included in the scan.
  • Competition for and utilization of system/CPU resources by the scanner.
  • Other running processes and programs in the background.
  • Whether the scanning engine stalls, hangs or freezes.
  • Interference from malware.
  • Interference from other security programs attempting to scan at the same time.
  • Interference from other programs attempting to update (download/install) components from the Internet.
  • Interference from the user (whether or not you use the computer during the scan).
Note: Using two or more program security scanning engines at the same time can cause each to interfere with the other, cause systems hangs, false detections, unreliable results and other unpredictable behavior.

To speed up a scan, clean out temporary (junk) files first, temporarily disable any other real-time protection tools, close all open programs, perform a Quick Scan instead of a Full one and do not use the computer during the scan.

In most cases when performing routine security checks, only a Quick Scan is needed since it checks the areas of your computer most likely to contain malware...the most prevalent and common places where malware typically hides. A Full Scan is much more comprehensive and can take a long time since it checks the entire hard drive (all folders/files) which can number in the thousands. The length of time for performing this type of scan varies because it is so comprehensive and therefore can take several hours. As such, a Full scan is generally recommended only for heavily infected systems.
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#5 fenisnad

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Posted 14 July 2015 - 04:08 PM

333/582 GB on the hard drive, and 1.5gb on the recovery drive. I did use it a bit during the beginning of the scan, but I let it sit for a couple of hours to do other stuff. I also have a couple of clone drives.


Edited by fenisnad, 14 July 2015 - 04:10 PM.


#6 quietman7

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Posted 14 July 2015 - 07:46 PM

As I noted...that info is only one factor affecting the length (time) of a scan.
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#7 noknojon

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Posted 14 July 2015 - 11:39 PM

Hi -

Just to jump in, can you "open" MSE and go to settings.

If the Real-time setting is ticked, your computer is being scanned all of the time it is turned on...

 

I will not ask, but it sounds like Windows 7 (7.1) installed.

 

Open MSE > Go to Settings > Real-time Protection > The box near the top should be ticked, and you are scanning all the time.

A Full or Quick scan (at request) is only a Deep file / folder scan, as your computer is already being scanned.

 

Most common problem = Are you sure that no other Antivirus is active (scanning) at all times ??

 

Please post a snapshot with Speccy for more system details -

See How to Publish a snapshot with Speccy <<-- Fully Read Directions Here (only Copy / Paste the link),

Do not accept any free offers with the program download as they are just advertising ..

 

Thank You -



#8 fenisnad

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Posted 15 July 2015 - 02:04 PM

No other antivirus is active or installed, though CC Cleaner monitoring is active. The real-time monitoring is on, and yes, I have Windows 7.1.



#9 quietman7

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Posted 15 July 2015 - 03:27 PM

CCleaner should not be a factor.
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#10 noknojon

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Posted 15 July 2015 - 10:55 PM

No other antivirus is active or installed, though CC Cleaner monitoring is active. The real-time monitoring is on, and yes, I have Windows 7.1.

This is why I asked for a Speccy Link so that we could check on the problem, and I hoped we could offer some further advice..

Up to now, all replies are "Generic" in nature, and none relate to your specific problem, as you had asked -

 

If you are satisfied with the generally vague answers, I will leave it up to you ...

 

Thank You -



#11 fenisnad

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Posted 16 July 2015 - 05:41 PM

 

No other antivirus is active or installed, though CC Cleaner monitoring is active. The real-time monitoring is on, and yes, I have Windows 7.1.

This is why I asked for a Speccy Link so that we could check on the problem, and I hoped we could offer some further advice..

Up to now, all replies are "Generic" in nature, and none relate to your specific problem, as you had asked -

 

If you are satisfied with the generally vague answers, I will leave it up to you ...

 

Thank You -

 

 

My apologies, I thought the Speccy instructions were just an ad or something.

 

http://speccy.piriform.com/results/gublkyomDYIrBOCnnLY8fYG

 


Edited by fenisnad, 16 July 2015 - 05:41 PM.


#12 quietman7

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Posted 16 July 2015 - 06:07 PM

I don't see anything of concern in your Speccy snapshot.

Have you tried this?

MSE has a setting that can cut down the impact that a scan has on the system...To configure the settings, open MSE and select the “Settings” tab. As the figure below shows, you can adjust the amount of CPU time devoted to a scan in a drop-down menu. The default setting seems to be 50%. If limiting the CPU is not important in your particular system, remove the check by “Limit CPU usage during scan”. That will speed up your scans.


microsoft-security-essentials--cpu-setti
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#13 noknojon

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Posted 16 July 2015 - 08:24 PM

Hello quietman7,
 
can you please review the Speccy snapshot of the HDD. Although Temps were OK, it noted this also .....
S.M.A.R.T
Status: Warning
 
Often I find that this can mean that one or more of the HDD areas is failing.
 
Thank You -

 



#14 quietman7

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Posted 16 July 2015 - 08:58 PM

Using CrystalDiskInfo would provide a better indicator of drive health.

According to the Speccy forums, these are the areas of concern.
05 Reallocated Sectors Count
C4 Reallocation Event Count
C5 Current Pending Sector Count
C6 Uncorrectable Sector Count

However, fenisnad's Speccy snapshot indicates Status is Good in these areas.
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