Windows defender permision

Anonymous

Your IT administrator has limited access to some areas of this app,and the item you tried to access is not available . Contact IT helpdesk for more information.

this is the message I get when I try to scan a drive using windows defender(right click and scan using windows defender option).

windows specification:

edition:windows 10 home

version:1803

os build:17134.48

device specification:

hp envy x 360 convertible

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Anonymous

Hi Michael,

I believe that your IT department is right.

It is probable that the problem in v1803 is associated with the "Periodic Scanning"

button. Please see my posts in this thread for August 27 and 28.

I think there is a fault in v1803, that leaves only some PCs without a functioning

periodic scanning button.

In other threads, some have had this same problem, and their button was turned on.

Yet, when they uninstalled their third party anti-virus, there problem was corrected.

A functioning periodic scanning button allows Windows Defender to work in concert

with third party anti-virus programs.

EDIT:

I did not have this link in hand when I first replied to your post.

This link is my case in point.

Andrew had the same problem, that was originally expressed in this thread.

He had also been successfully running a third party security program, in concert with

Windows Defender, until W10 v1803 was installed. And his periodic scanning button

was turned "ON".

https://answers.microsoft.com/en-us/protect/forum/all/why-is-scan-with-windows-defender-blocked-by-it-on/33f9ab1b-673d-4eb9-8119-ce0d92a2cd83#

Pay particular attention to the second page of his thread.

Regards, Glen

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64 additional answers

Anonymous

2018-10-16T07:47:54+00:00

Eric-SE, you have not answered the questions or provided a solution. Please untag your comment as "Answered" and instead, either a) provide a solution, or b) tag someone who has.
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Anonymous

2018-10-01T06:30:37+00:00

Hi ZeTomaz,

Try this to see if will help.

Check to ensure that your Periodic Scanning button in Windows Defender is set

to "ON". This button is at the bottom of the WD "Virus & Threat Protection" screen.

It should be "ON". If it is, try this to ensure that it is effective. Turn it "OFF" and restart

your PC. Then turn it "ON" and restart again. Retry to access Windows Defender.

Good Luck, Glen
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Anonymous

2018-09-30T15:04:35+00:00

Same here, started happening after april update and confirmed this works for me. Also have Bitdefender security suite, not using microsoft's. All was fine until April update.

I start with the same problem only about 3 weeks ago. I'm using Bitdefender Total security 2019.

The first time it showed up after a reboot it disappeared. And now here it is again....
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Anonymous

2018-08-31T14:35:01+00:00

https://www.itechfever.com/fix-google-chrome-virus-scan-failed-error/

This resolved the Chrome issue.

I've yet to try the Upgrade repair on my cloned HDD to test if this resolves the issue with Windows Defender.

I didn't exactly do an upgrade repair.

I just cloned my drive for easy retrieval of existing software.

Wiped my normal drive and installed windows 10 fresh.

I have a working install now, but I still have my cloned drive with all the faults which I can boot into if Microsoft would like me to perform any further tests... I'm willing to take payment for my time ;)

Cheers,

Fed
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