Windows Defender Offline
- Windows Defender Offline Download
- Windows Defender Offline Scan Not Working
- Windows Defender Offline Scan Black Screen
Hi Githin,
Is your PC up-to-date? That is, v1803 plus updates. There have been problems,
like the one you describe, on earlier versions.
Windows Defender Offline is a standalone software application that is designed to help detect malicious and other potentially unwanted software, including rootkits that try to install themselves. For previous versions of Windows, you can download Windows Defender Offline, create a bootable USB drive, CD, or DVD, and boot the Windows Defender Offline tool on the PC. This works identically to the Windows Defender Offline feature on Windows 10, but requires you create the bootable media and boot it up yourself. If you want to update Windows Defender manually in Windows 10/8/7 using the offline installer of its definition updates file, mpam-fe.exe, read this post. Windows Defender Offline is a powerful offline scanning tool that you can run from a trusted environment and that runs without starting your operating system. Sometimes Windows Defender Antivirus might find malware that it can’t remove—for example, highly persistent malware such as rootkits. Windows Defender Offline is a powerful offline scanning tool that runs from a trusted environment, without starting your operating system. This topic describes how to use Windows Defender Offline in Windows 10, Windows 8.1, and Windows 7. Sep 03, 2018 See the Manage Windows Defender Antivirus Security intelligence updates topic for more information. Usage scenarios. In Windows 10, version 1607, you can manually force an offline scan. Alternatively, if Windows Defender determines that Windows Defender Offline needs to run, it will prompt the user on the endpoint.
The easiest thing to try first, is the Windows Update Troubleshooter. It
has cleared up WDO problems.
Another, is to ensure that you do not have a third party security program
installed, or only partially removed. Quick test, observe the 'Virus & Threat
Protection screen. See if another is described there and/or if there is a
Windows Defender Offline Download
periodic scanning button near the bottom of that screen. If the button is
present, Defender thinks that there is another security program present,
and deactivates itself. You can perform a scan, but only if you set the
periodic scanning button to on.
You can try running DISM or SFC, if you like.
Start > Type CMD, Right click Command Prompt and select 'Run as
Administrator.' On the Command Prompt screen, Type the following
commands, one at a time, and follow each with the enter key. Be sure
to include a space before each slash.
Dism /online /cleanup-image /checkhealth <enter> and let it finish.
Dism /online /cleanup-image /scanhealth <enter> and let it finish.
Dism /online /cleanup-image /restorehealth <enter> and let it finish.
SFC /scannow <enter> and let it finish. If it finds any errors, run it again.
Run until it runs clean. Type EXIT to leave Command Prompt.
Try running WDO again. If you still have the problem, come back and
I will describe a procedure for doing a Repair Upgrade
Good Luck Glen
Windows Defender, the built in antivirus solution in Windows 10, is fairly good. While Windows Defender is no match to popular antivirus software from Kaspersky, Bitdefender or ESET, it’s definitely offers basic security on PCs where there is no third-party antivirus software is installed.
Not all malicious and potentially unwanted software can be removed when Windows is running as they load with Windows operating system. Because of this reason, many popular antivirus programs request the user restart Windows to completely remove the detected malicious code.
To help users, many antivirus developers provide an offline version of their antivirus software so that users can scan their PC and remove threats that cannot be removed otherwise using the standard method.
As you likely know, Microsoft has also been offering Windows Defender Offline Tool for years to help users remove malware and other potentially unwanted programs from Windows PC without having to boot into Windows.
Windows Defender offline scan feature in Windows 10
Before this, Windows 10 users had to download and use the Windows Defender Offline Tool from Microsoft and then prepare bootable USB/CD of it in order to perform an offline scan. You no longer need to download and prepare Windows Defender Offline Tool as Microsoft has added offline scanning capability to Windows Defender and users running Windows 10 build 14271 (check your Windows 10 build number) and later can use this feature to perform Windows Defender Offline scan without downloading the tool.
According to Microsoft, on Windows 10, Windows Defender Offline feature is completely automated. This means that, whenever Windows Defender comes across a hard to remove malicious code, it will alert the user to run the Defender Offline scan.
How to run and use Windows Defender offline scan feature in Windows 10
Step 1: Open Settings app by either clicking Settings in left-side of the Start menu or simultaneously pressing Windows logo and I keys.
Step 2: In the Settings app, click Update & Security.
Step 3: Click Windows Defender.
Step 4: Finally scroll down the page to see Windows Defender Offline section. Click the button labelled Scan Offline to restart your PC.
You will see “your PC will be restarted in a minute” message.
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Windows Defender Offline Scan Not Working
Step 5: During the restart, you will see the following Windows Defender Offline loading screen before you see the Windows Defender screen.
The Windows Defender will automatically start scanning your PC and will remove malicious and unwanted programs that Defender can’t remove otherwise.
If Windows Defender antivirus definitions are not up to date, you can switch to the Update tab and then click Update button. Note that you might get “Virus and spyware definitions couldn’t be updated” error if you are using Wi-Fi. When we tried updating definitions after connecting an Ethernet cable on your test machine, definitions were updated without any issues.
Windows Defender Offline Scan Black Screen
The Defender might take up to 20 minutes to complete its job. And Windows Defender’s offline scan is done, your will see the lock screen.