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Microsoft Defender: Antivirus

Microsoft Corporation · 75,248 ratings · ★ 4.3

4.3
★★★★★
75,248 ratings
5 ★
52,061 (69%)
4 ★
10,364 (14%)
3 ★
3,949 (5%)
2 ★
1,971 (3%)
1 ★
6,889 (9%)
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Top complaints - extracted from 37 negative reviews

Recurring phrases mined from 1-2★ reviews. The bigger the percentage, the more users have the same problem. Fix the top 2-3 in your version and you have product-market fit on day one.

1
"free"
5 negative reviews mention this · 14% of all complaints
★★★★ "it's no longer free and I don't have any cards credit cards." - Dale DeeMzz
2
"account"
5 negative reviews mention this · 14% of all complaints
★★★★ "making an account takes so long. first it asks to solve 5 stupid puzzles. then asks for phone number. it asked for another email without skip button. I used back button and it said can't find page. seriously?? if u want scan phone just scan…" - PaleBlueDot
3
"without"
5 negative reviews mention this · 14% of all complaints
★★★★ "making an account takes so long. first it asks to solve 5 stupid puzzles. then asks for phone number. it asked for another email without skip button. I used back button and it said can't find page. seriously?? if u want scan phone just scan…" - PaleBlueDot
4
"turn"
4 negative reviews mention this · 11% of all complaints
★★★★★ "the only thing that happens when you turn it off is it bugs you excessively to turn it on and protect your device and so far I've noticed it do nothing it looks really cool though it's highly advised not to put it on" - Peter Vazquez II
5
"device"
4 negative reviews mention this · 11% of all complaints
★★★★★ "the only thing that happens when you turn it off is it bugs you excessively to turn it on and protect your device and so far I've noticed it do nothing it looks really cool though it's highly advised not to put it on" - Peter Vazquez II
6
"though"
4 negative reviews mention this · 11% of all complaints
★★★★★ "the only thing that happens when you turn it off is it bugs you excessively to turn it on and protect your device and so far I've noticed it do nothing it looks really cool though it's highly advised not to put it on" - Peter Vazquez II
7
"phone"
4 negative reviews mention this · 11% of all complaints
★★★★ "Difficult to set up on my cellphone, so I gave up." - Paul

📋 All 37 negative reviews

Every 1-2★ review we fetched. Use the copy button to grab them all for your own analysis (paste into ChatGPT/Claude with a prompt like "summarize core user problems, group by theme, ignore bugs, focus on missing features").

★★★★ Mike Ungerman 5/8/2026 v1.0.8814.0101
Terrible. Conflicts with other anti-malware
★★★★ Dale DeeMzz 5/7/2026 v1.0.8905.0106
it's no longer free and I don't have any cards credit cards.
★★★★ Fahmeeda Banu 5/7/2026
it's not so good
★★★★ Paul 5/6/2026
Difficult to set up on my cellphone, so I gave up.
★★★★ Cuyler Llorando 5/6/2026 v1.0.8814.0101
greedy for money.
★★★★ jason lee chun huat 5/5/2026
stuck at run at background
★★★★ PaleBlueDot 5/2/2026
making an account takes so long. first it asks to solve 5 stupid puzzles. then asks for phone number. it asked for another email without skip button. I used back button and it said can't find page. seriously?? if u want scan phone just scan. don't act like you are trying to collect all my biodata including phone no etc. stupid app.
★★★★ Cody Mcnutt 5/2/2026
not free
★★★★ Richard Winkler 5/2/2026 v1.0.8703.0101
I have a valid MS account, but I'm blocked from using this app unless I buy another (additional ie 365) MS account which - out of principle - I refuse. The more I use MS it seems the less I like it and am attracted to migrate to Linux
★★★★ April Robyn Fruzia King 4/30/2026 v1.0.8814.0101
I have a Outlook account and try to set up defender because I have an Outlook account and even though there are free services on Microsoft Defender is not one of them even though there is an article out there that they are boasting about the good qualities about defender. I was going to try to use it more often to see if it was good as the other ones are but that is not something I'm going to be able to do.
★★★★ Mehwish Tabbusam 4/30/2026 v1.0.8814.0101
don't b use
★★★★ Danielle Cruz 4/29/2026
This app is a colossal trash. It requires to subscribe to their stupid subscription just to access something as basic as this.
★★★★ Victor David 4/28/2026
I'm not getting any update
★★★★ Katie Siepierski 4/28/2026 v1.0.8814.0101
Well it's been nearly a year since I last asked - does it no longer have VPN? i don't see it anywhere. it used to be right at the top you could toggle it on/off when needed. Really disappointing. I finally had a VPN I knew I could trust, but apparently now I don't?
★★★★ Cyber 4/28/2026 v1.0.8814.0101
Authentication is broken. Unable to sign in with password, leads to 401 error. Unable to utilize hardware passkey (Yubikey), as it spams the prompts until the application hangs and needs to be killed when the USB C key is inserted. Functionally useless without being signed in. Will update review if this ever gets resolved, otherwise this app is completely pointless to have installed.
★★★★ Marietjie Pienaar 4/26/2026 v1.0.8814.0101
I got the MD with my 365 Pilot more than 2 years ago. Never had any problems. Suddenly, since a week ago, I keep getting notices saying my MD is off and my device is not protected. Try as I might, it just will not turn on again. I'm so frustrated. I honestly feel like deleting the damn app. .
★★★★ Ray Sutton 4/26/2026 v1.0.8814.0101
why do the settings I have chosen get switched off without warning keeps happening cannot see why? This is still happening, please can you reply. Still happening but no reply?
★★★★ Marshall Hallenbeck 4/25/2026 v1.0.8814.0101
wont stop giving me useless notifications after a scan
★★★★ nikkhat parbin 4/23/2026
delete
★★★★ Michael Keith Larsen LS 4/23/2026
i can login to my online account but i'm unable to login to this app. i even uninstalled and reinstalled the app to no avail.
★★★★ Tiffany “Mistress Tiffany” Bishop 4/23/2026 v1.0.8814.0101
what is this garbage doing on my phone. uninstall
★★★★ Ackhmed Aizat 4/22/2026 v1.0.8814.0101
Truly annoying. Eats up battery life. Ridiculous privacy invasion.
★★★★ Kris Bennion 4/21/2026
my IT forces this app and it's VPN even though support for the VPN was removed. cannot use my email without the VPN that was removed and cannot uninstall it from my device
★★★★ Bryan Bowman 4/19/2026
no threats found ever. says it is disabled when you turn off assistable.
★★★★ TheWhiteWater 4/16/2026
it's not free
★★★★ Danny Miller 4/14/2026 v1.0.8805.0103
just can't get past the sign in page - I get a blank screen that never loads. it works perfectly on my laptop though ... very strange.
★★★★ Steve Casey 4/13/2026 v1.0.8805.0103
persistent issues with the application being disabled by minor OS updates and other common processes.
★★★★ Julien Hopp 4/12/2026 v1.0.8805.0103
not sure if it works at all. just clicked out of curiosity on "manage my data", went trough 2way authentication process to end up with a white page without anywhere to click. After trying 5 more times without any better result I'm thinking I should uninstall and move to another solution. smh
★★★★ Deanne Zurenda 4/9/2026 v1.0.8703.0101
It used to be east to turn it on. Now you have to go to Android Device. You were able to turn it on in the app. This is too many steps!! This is the programmer justifying their job. These things are supposed to be easy. Instead, every time there is an update, there are more steps for me to do. I didn't get this app for me to have to continuously update everything, I got it to protect my phone. If it gets any more difficult, I'll just delete it
★★★★★ David Britton (Shadow Jammer) 5/7/2026
Is this Free ?? 🤔
★★★★★ Peter Vazquez II 5/5/2026 v1.0.8828.0101
the only thing that happens when you turn it off is it bugs you excessively to turn it on and protect your device and so far I've noticed it do nothing it looks really cool though it's highly advised not to put it on
★★★★★ Herman LeRoux 4/30/2026 v1.0.8814.0101
Cant get defender working on my samsung cellphone
★★★★★ Syeda Batool 4/30/2026
why this app is not running in android phone ??? blocked my account again n again whenever I tried to make account in Android phone why please resolve my issue
★★★★★ Kenneth Alderman 4/26/2026 v1.0.8814.0101
keeps turning off
★★★★★ Lumea P 4/23/2026 v1.0.8814.0101
ineffective app. It does not detect malware or create logs of scanned apps. I'll be deleting it
★★★★★ James Winslow 4/21/2026
hate it!
★★★★★ xXReaperCallinXx 4/16/2026
I use it on pc, not mobile

Sentiment summary

83%
Positive (4-5★)
5%
Neutral (3★)
12%
Negative (1-2★)

✓ Strong positive sentiment - clone path is harder, users like the existing app.