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Thanks to Imanerd.

Updated 25th November 2020

MX 4.4 Series  These function on other series as well.

For Windows Vista:
Mozilla/5.0 (compatible; Windows NT 6.0; U; WOW64; IA64; en) AppleWebKit/599.0+ (KHTML, like Gecko) Maxthon/4.4.8.2000 Chrome/87
.0.4280.66 Safari/537.36 OPR/72.0.3815.400 QupZilla/2.2.6

For Windows 7:
Mozilla/5.0 (compatible; Windows NT 6.1; U; WOW64; IA64; en) AppleWebKit/599.0+ (KHTML, like Gecko) Maxthon/4.4.8.2000 Chrome/87
.0.4280.66 Safari/537.36 OPR/72.0.3815.400 QupZilla/2.2.6

For Windows 8:
Mozilla/5.0 (compatible; Windows NT 6.2; U; WOW64; IA64; en) AppleWebKit/599.0+ (KHTML, like Gecko) Maxthon/4.4.8.2000 Chrome/87
.0.4280.66 Safari/537.36 OPR/72.0.3815.400 QupZilla/2.2.6

For Windows 8.1:
Mozilla/5.0 (compatible; Windows NT 6.3; U; WOW64; IA64; en) AppleWebKit/599.0+ (KHTML, like Gecko) Maxthon/4.4.8.2000 Chrome/87
.0.4280.66 Safari/537.36 OPR/72.0.3815.400 QupZilla/2.2.6

For Windows 10:
Mozilla/5.0 (compatible; Windows NT 10.0; U; WOW64; IA64; en) AppleWebKit/599.0+ (KHTML, like Gecko) Maxthon/4.4.8.2000 Chrome/87
.0.4280.66 Safari/537.36 OPR/72.0.3815.400 QupZilla/2.2.6

MX 4.9 Series These function on other series as well.

For Windows Vista:
Mozilla/5.0 (compatible; Windows NT 6.0; U; WOW64; IA64; en) AppleWebKit/599.0+ (KHTML, like Gecko) Maxthon/4.9.5.1000 Chrome/87
.0.4280.66 Safari/537.36 OPR/72.0.3815.400 QupZilla/2.2.6

For Windows 7:
Mozilla/5.0 (compatible; Windows NT 6.1; U; WOW64; IA64; en) AppleWebKit/599.0+ (KHTML, like Gecko) Maxthon/4.9.5.1000 Chrome/87
.0.4280.66 Safari/537.36 OPR/72.0.3815.400 QupZilla/2.2.6

For Windows 8:
Mozilla/5.0 (compatible; Windows NT 6.2; U; WOW64; IA64; en) AppleWebKit/599.0+ (KHTML, like Gecko) Maxthon/4.9.5.1000 Chrome/87
.0.4280.66 Safari/537.36 OPR/72.0.3815.400 QupZilla/2.2.6

For Windows 8.1:
Mozilla/5.0 (compatible; Windows NT 6.3; U; WOW64; IA64; en) AppleWebKit/599.0+ (KHTML, like Gecko) Maxthon/4.9.5.1000 Chrome/87
.0.4280.66 Safari/537.36 OPR/72.0.3815.400 QupZilla/2.2.6

For Windows 10:
Mozilla/5.0 (compatible; Windows NT 10.0; U; WOW64; IA64; en) AppleWebKit/599.0+ (KHTML, like Gecko) Maxthon/4.9.5.1000 Chrome/87
.0.4280.66 Safari/537.36 OPR/72.0.3815.400 QupZilla/2.2.6

MX 5.2.7 Series These function on other series as well.

For Windows Vista:
Mozilla/5.0 (compatible; Windows NT 6.0; U; WOW64; IA64; en) AppleWebKit/599.0+ (KHTML, like Gecko) Maxthon/5.2.7.5000 Chrome/87
.0.4280.66 Safari/537.36 OPR/72.0.3815.400 QupZilla/2.2.6

For Windows 7:
Mozilla/5.0 (compatible; Windows NT 6.1; U; WOW64; IA64; en) AppleWebKit/599.0+ (KHTML, like Gecko) Maxthon/5.2.7.5000 Chrome/87
.0.4280.66 Safari/537.36 OPR/72.0.3815.400 QupZilla/2.2.6

For Windows 8:
Mozilla/5.0 (compatible; Windows NT 6.2; U; WOW64; IA64; en) AppleWebKit/599.0+ (KHTML, like Gecko) Maxthon/5.2.7.5000 Chrome/87
.0.4280.66 Safari/537.36 OPR/72.0.3815.400 QupZilla/2.2.6

For Windows 8.1:
Mozilla/5.0 (compatible; Windows NT 6.3; U; WOW64; IA64; en) AppleWebKit/599.0+ (KHTML, like Gecko) Maxthon/5.2.7.5000 Chrome/87
.0.4280.66 Safari/537.36 OPR/72.0.3815.400 QupZilla/2.2.6

For Windows 10:
Mozilla/5.0 (compatible; Windows NT 10.0; U; WOW64; IA64; en) AppleWebKit/599.0+ (KHTML, like Gecko) Maxthon/5.2.7.5000 Chrome/87
.0.4280.66 Safari/537.36 OPR/72.0.3815.400 QupZilla/2.2.6

MX 5.3.8 Series These function on other series as well.

For Windows Vista:
Mozilla/5.0 (compatible; Windows NT 6.0; U; WOW64; IA64; en) AppleWebKit/599.0+ (KHTML, like Gecko) Maxthon/5.3.8.2100 Chrome/87
.0.4280.66 Safari/537.36 OPR/72.0.3815.400 QupZilla/2.2.6

For Windows 7:
Mozilla/5.0 (compatible; Windows NT 6.1; U; WOW64; IA64; en) AppleWebKit/599.0+ (KHTML, like Gecko) Maxthon/5.3.8.2100 Chrome/87
.0.4280.66 Safari/537.36 OPR/72.0.3815.400 QupZilla/2.2.60

For Windows 8:
Mozilla/5.0 (compatible; Windows NT 6.2; U; WOW64; IA64; en) AppleWebKit/599.0+ (KHTML, like Gecko) Maxthon/5.3.8.2100 Chrome/87
.0.4280.66 Safari/537.36 OPR/72.0.3815.400 QupZilla/2.2.6

For Windows 8.1:
Mozilla/5.0 (compatible; Windows NT 6.3; U; WOW64; IA64; en) AppleWebKit/599.0+ (KHTML, like Gecko) Maxthon/5.3.8.2100 Chrome/87
.0.4280.66 Safari/537.36 OPR/72.0.3815.400 QupZilla/2.2.6

For Windows 10:
Mozilla/5.0 (compatible; Windows NT 10.0; U; WOW64; IA64; en) AppleWebKit/599.0+ (KHTML, like Gecko) Maxthon/5.3.8.2100 Chrome/87
.0.4280.66 Safari/537.36 OPR/72.0.3815.400 QupZilla/2.2.6


 

Truncated Versions Thanks to Imanerd.

MX 4.4 Series These function on other series as well.

For Windows Vista:
Mozilla/5.0 (compatible; Windows NT 6.0; WOW64; IA64; en) AppleWebKit/599.0+ (KHTML, like Gecko) Maxthon/4.4.8 Chrome/87
.0.4280.66 QupZilla/2.2.6

For Windows 7:
Mozilla/5.0 (compatible; Windows NT 6.1; WOW64; IA64; en) AppleWebKit/599.0+ (KHTML, like Gecko) Maxthon/4.4.8 Chrome/87
.0.4280.66 QupZilla/2.2.6

For Windows 8.
Mozilla/5.0 (compatible; Windows NT 6.2; WOW64; IA64; en) AppleWebKit/599.0+ (KHTML, like Gecko) Maxthon/4.4.8 Chrome/87
.0.4280.66 QupZilla/2.2.6 

For Windows 8.1:
Mozilla/5.0 (compatible; Windows NT 6.3; WOW64; IA64; en) AppleWebKit/599.0+ (KHTML, like Gecko) Maxthon/4.4.8 Chrome/87
.0.4280.66 QupZilla/2.2.6

For Windows 10:
Mozilla/5.0 (compatible; Windows NT 10.0; WOW64; IA64; en) AppleWebKit/599.0+ (KHTML, like Gecko) Maxthon/4.4.8 Chrome/87
.0.4280.66 QupZilla/2.2.6

MX 4.9 Series These function on other series as well.

For Windows Vista:
Mozilla/5.0 (compatible; Windows NT 6.0; WOW64; IA64; en) AppleWebKit/599.0+ (KHTML, like Gecko) Maxthon/4.9.5 Chrome/87
.0.4280.66 QupZilla/2.2.6

For Windows 7:
Mozilla/5.0 (compatible; Windows NT 6.1; WOW64; IA64; en) AppleWebKit/599.0+ (KHTML, like Gecko) Maxthon/4.9.5 Chrome/87
.0.4280.66 QupZilla/2.2.6

For Windows 8.0:
Mozilla/5.0 (compatible; Windows NT 6.2; WOW64; IA64; en) AppleWebKit/599.0+ (KHTML, like Gecko) Maxthon/4.9.5 Chrome/87
.0.4280.66 QupZilla/2.2.6

For Windows 8.1:
Mozilla/5.0 (compatible; Windows NT 6.3; WOW64; IA64; en) AppleWebKit/599.0+ (KHTML, like Gecko) Maxthon/4.9.5 Chrome/87
.0.4280.66 QupZilla/2.2.6

For Windows 10:
Mozilla/5.0 (compatible; Windows NT 10.0; WOW64; IA64; en) AppleWebKit/599.0+ (KHTML, like Gecko) Maxthon/4.9.5 Chrome/87
.0.4280.66 QupZilla/2.2.6

MX 5.2.7 Series These function on other series as well.

For Windows Vista:
Mozilla/5.0 (compatible; Windows NT 6.0; WOW64; IA64; en) AppleWebKit/599.0+ (KHTML, like Gecko) Maxthon/5.2.7 Chrome/87
.0.4280.66 QupZilla/2.2.6

For Windows 7:
Mozilla/5.0 (compatible; Windows NT 6.1; WOW64; IA64; en) AppleWebKit/599.0+ (KHTML, like Gecko) Maxthon/5.2.7 Chrome/87
.0.4280.66 QupZilla/2.2.6

For Windows 8.0:
Mozilla/5.0 (compatible; Windows NT 6.2; WOW64; IA64; en) AppleWebKit/599.0+ (KHTML, like Gecko) Maxthon/5.2.7 Chrome/87
.0.4280.66 QupZilla/2.2.6

For Windows 8.1:
Mozilla/5.0 (compatible; Windows NT 6.3; WOW64; IA64; en) AppleWebKit/599.0+ (KHTML, like Gecko) Maxthon/5.2.7 Chrome/87
.0.4280.66 QupZilla/2.2.6

For Windows 10:
Mozilla/5.0 (compatible; Windows NT 10.0; WOW64; IA64; en) AppleWebKit/599.0+ (KHTML, like Gecko) Maxthon/5.2.7 Chrome/87
.0.4280.66 QupZilla/2.2.6

MX 5.3.8 Series These function on other series as well.

For Windows Vista:
Mozilla/5.0 (compatible; Windows NT 6.0; WOW64; IA64; en) AppleWebKit/599.0+ (KHTML, like Gecko) Maxthon/5.3.8 Chrome/87
.0.4280.66 QupZilla/2.2.6

For Windows 7:
Mozilla/5.0 (compatible; Windows NT 6.1; WOW64; IA64; en) AppleWebKit/599.0+ (KHTML, like Gecko) Maxthon/5.3.8 Chrome/87
.0.4280.66 QupZilla/2.2.6

For Windows 8.0
Mozilla/5.0 (compatible; Windows NT 6.2; WOW64; IA64; en) AppleWebKit/599.0+ (KHTML, like Gecko) Maxthon/5.3.8 Chrome/87
.0.4280.66 QupZilla/2.2.6

For Windows 8.1:
Mozilla/5.0 (compatible; Windows NT 6.3; WOW64; IA64; en) AppleWebKit/599.0+ (KHTML, like Gecko) Maxthon/5.3.8 Chrome/87
.0.4280.66 QupZilla/2.2.6

For Windows 10:
Mozilla/5.0 (compatible; Windows NT 10.0; WOW64; IA64; en) AppleWebKit/599.0+ (KHTML, like Gecko) Maxthon/5.3.8 Chrome/87
.0.4280.66 QupZilla/2.2.6

New Minimalist Version Thanks to Imanerd.

MX 4.4 Series These function on other series as well.

For Windows Vista:
Mozilla/5.0 (compatible; Windows NT 6.0; WOW64; IA64; en) AppleWebKit/599.0+ Maxthon/4.4 Chrome/87
.0.4280.66 QupZilla/2.2.6

For Windows 7:
Mozilla/5.0 (compatible; Windows NT 6.1; WOW64; IA64; en) AppleWebKit/599.0+ Maxthon/4.4 Chrome/87
.0.4280.66 QupZilla/2.2.6

For Windows 8.0:
Mozilla/5.0 (compatible; Windows NT 6.2; WOW64; IA64; en) AppleWebKit/599.0+ Maxthon/4.4 Chrome/87
.0.4280.66 QupZilla/2.2.6

For Windows 1
Mozilla/5.0 (compatible; Windows NT 6.3; WOW64; IA64; en) AppleWebKit/599.0+ Maxthon/4.4 Chrome/87
.0.4280.66 QupZilla/2.2.6

For Windows 10:
Mozilla/5.0 (compatible; Windows NT 10.0; WOW64; IA64; en) AppleWebKit/599.0+ Maxthon/4.4 Chrome/87
.0.4280.66 QupZilla/2.2.6

MX 4.9 Series These function on 4.4 series as well.

For Windows Vista:

Mozilla/5.0 (compatible; Windows NT 6.0; WOW64; IA64; en) AppleWebKit/599.0+ Maxthon/4.9 Chrome/87.0.4280.66 QupZilla/2.2.6

For Windows 7:
Mozilla/5.0 (compatible; Windows NT 6.1; WOW64; IA64; en) AppleWebKit/599.0+ Maxthon/4.9 Chrome/87
.0.4280.66 QupZilla/2.2.6

For Windows 8.0:
Mozilla/5.0 (compatible; Windows NT 6.2; WOW64; IA64; en) AppleWebKit/599.0+ Maxthon/4.9 Chrome/87
.0.4280.66 QupZilla/2.2.6

For Windows 8.1:
Mozilla/5.0 (compatible; Windows NT 6.3; WOW64; IA64; en) AppleWebKit/599.0+ Maxthon/4.9 Chrome/87
.0.4280.66 QupZilla/2.2.6

For Windows 10
Mozilla/5.0 (compatible; Windows NT 10.0; WOW64; IA64; en) AppleWebKit/599.0+ Maxthon/4.9 Chrome/87
.0.4280.66 QupZilla/2.2.6

MX 5.2 Series These function on other series as well.

For Windows Vista:
Mozilla/5.0 (compatible; Windows NT 6.0; WOW64; IA64; en) AppleWebKit/599.0+ Maxthon/5.2 Chrome/87
.0.4280.66 QupZilla/2.2.6

For Windows 7:
Mozilla/5.0 (compatible; Windows NT 6.1; WOW64; IA64; en) AppleWebKit/599.0+ Maxthon/5.2 Chrome/87
.0.4280.66 QupZilla/2.2.6

For Windows 8.0:
Mozilla/5.0 (compatible; Windows NT 6.2; WOW64; IA64; en) AppleWebKit/599.0+ Maxthon/5.2 Chrome/87
.0.4280.66 QupZilla/2.2.6

For Windows 8.1:
Mozilla/5.0 (compatible; Windows NT 6.3; WOW64; IA64; en) AppleWebKit/599.0+ Maxthon/5.2 Chrome/87
.0.4280.66 QupZilla/2.2.6

For Windows 10
Mozilla/5.0 (compatible; Windows NT 10.0; WOW64; IA64; en) AppleWebKit/599.0+ Maxthon/5.2 Chrome/87
.0.4280.66 QupZilla/2.2.6

MX 5.3 Series These function on other series as well.

For Windows Vista:
Mozilla/5.0 (compatible; Windows NT 6.0; WOW64; IA64; en) AppleWebKit/599.0+ Maxthon/5.3 Chrome/87
.0.4280.66 QupZilla/2.2.6

For Windows 7:
Mozilla/5.0 (compatible; Windows NT 6.1; WOW64; IA64; en) AppleWebKit/599.0+ Maxthon/5.3 Chrome/87
.0.4280.66 QupZilla/2.2.6

For Windows 8.0:
Mozilla/5.0 (compatible; Windows NT 6.2; WOW64; IA64; en) AppleWebKit/599.0+ Maxthon/5.3 Chrome/87
.0.4280.66 QupZilla/2.2.6

For Windows 8.1:
Mozilla/5.0 (compatible; Windows NT 6.3; WOW64; IA64; en) AppleWebKit/599.0+ Maxthon/5.3 Chrome/87
.0.4280.66 QupZilla/2.2.6

For Windows 10
Mozilla/5.0 (compatible; Windows NT 10.0; WOW64; IA64; en) AppleWebKit/599.0+ Maxthon/5.3 Chrome/87
.0.4280.66 QupZilla/2.2.6

Thread reposted  as original is now closed to comments and editing. Can a moderator make this a sticky?

Edited by Magdalene
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  • 2 months later...
On 4/14/2017 at 6:37 PM, QIK5L said:

copy the user agent you want to use, open settings, advanced, scroll down, paste in the shown box.

0050.jpg

I have tried this but it is not being saved. The UA reverts back to the default UA.

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I have tried. in 4.9 it always saved but for some reason MX5 isn't saving it. Maybe Maxthon needs to add a save button for saving changed setting. I notice when I make changes in 4.9 a message is dislpayed that changes were saved. I don't see that message in MX5 which leaves me wondering if they are being saved, so I exit out of settings and come back in to make sure anything I changed is actually saved. Thanks for the reply.

Edited by BGFun
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  • 1 month later...
On 4/18/2017 at 2:40 PM, BGFun said:

I have tried. in 4.9 it always saved but for some reason MX5 isn't saving it. Maybe Maxthon needs to add a save button for saving changed setting. I notice when I make changes in 4.9 a message is dislpayed that changes were saved. I don't see that message in MX5 which leaves me wondering if they are being saved, so I exit out of settings and come back in to make sure anything I changed is actually saved. Thanks for the reply.

After pasting in the new updated UA, uncheck the box to Use Customized User Agent and then check it again; the settings are saved message will appear at the top of the page

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  • 2 months later...
  • 3 months later...
  • 4 months later...
On 30/4/2018 at 4:22 PM, stifani said:

so 5.2.1.6000 (latest maxthon as per 04/30/2018) still doesn't have core updated ?? I'm receiving google message to update obsolete chrome version!!!

wtf maxthon devs???

Precisely in the series 5.2, has updated the core from old core 55, so imagine how is the matter :-)

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16 hours ago, pantantrollo said:

Precisely in the series 5.2, has updated the core from old core 55, so imagine how is the matter :-)

The strange thing is that if you are clicking from a google search to a link, maxthon uses some user agent string, if you reload (even with ctrl+f5) the page opened from a google search, maxthon uses a different user agent string....

 

1) User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36

2) User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.79 Safari/537.36 Maxthon/5.2.1.6000

 

1 -> this string is used if you click from a google search and load the page from there

2 -> this instead gets used if you reload (or ctrl - f5) the page

 

Why is maxthon random changing user agent string ????

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3 hours ago, stifani said:

The strange thing is that if you are clicking from a google search to a link, maxthon uses some user agent string, if you reload (even with ctrl+f5) the page opened from a google search, maxthon uses a different user agent string....

 

How do you know or verify that google uses that string you mention?

Will you refire to look for a page that the user-agent tells you and check it from that same search instead of going directly to the page?

 

3 hours ago, stifani said:

1 -> this string is used if you click from a google search and load the page from there

2 -> this instead gets used if you reload (or ctrl - f5) the page

 

I do not know, in my case, whether searching from google or loading the page directly, I get the same (v.5.1.7.2000) (if that is what you were referring to)


Mozilla / 5.0 (Windows NT 10.0, WOW64) AppleWebKit / 537.36 (KHTML, like Gecko) Chrome / 55.0.2883.75 Safari / 537.36 Maxthon / 5.1.7.2000

 

In your case, the correct one is the second, I think maxthon 5.2.xxx carries the core 61

 

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  • 1 year later...
50 minutes ago, Magdalene said:

Apologies for taking a long time for the last update but I had no internet for over a week.

When I make a query on "what is my user agent string" Some pages tell me what I'm using. "Maxthon browser""  or QupZilla 2.2 on Windows 10

Here are the pages of queries. Is it normal ?????

https://www.whatismybrowser.com/

https://whichbrowser.net/

https://www.whatsmybrowser.org/

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On 2/9/2017 at 1:57 AM, Magdalene said:

For Windows 7:
Mozilla/5.0 (compatible; Windows NT 6.1; U; WOW64; IA64; en) AppleWebKit/599.0+ (KHTML, like Gecko) Maxthon/5.3.8.2100 Chrome/86
.0.4240.111 Safari/537.36 OPR/72.0.3815.148 QupZilla/2.2.60

With these settings, user agent - the life chat in youtube does not work.

It starts working if you select "Chrome" in the user agent settings".

Edited by Sergey_K
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Yes, it started recently, maybe a week ago. Before that, everything worked fine. You're right, most likely there was some kind of update on Youtube. From the above quote, it should have been clear that I have Windows 7 and the browser version is Maxthon / 5.3.8.2100. While temporarily changed the user agent content to this (removed maxthon and Opera):

Mozilla/5.0 (compatible; Windows NT 6.1; U; WOW64; IA64; en) AppleWebKit/599.0+ (KHTML, like Gecko) Chrome/86.0.4240.111 


 

Here, for example:

 

https://www.youtube.com/watch?v=dI4jr5HyuT0 

 

LiveChat_BAD.jpg

Edited by Sergey_K
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On 10/24/2020 at 6:08 PM, Magdalene said:

Perhaps it's regional. Did you try the link I posted?

No, it doesn't depend on the regional settings. The link to Your video doesn't work either. It is necessary to change something in the line "User agent".

LiveChat_BAD_2.jpg

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I experimented a little: if you remove the entry "Maxthon/5.3.8.2100" from the user agent line, the chat starts working! Is this how Google eliminates competitors?

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I've noticed several ViolentMonkey scripts no longer work on YT recently. 

I'm using this UA on Win10 and MX 5.3.8.2100

Mozilla/5.0 (compatible; Windows NT 10.0; WOW64; IA64; en) AppleWebKit/599.0+ Maxthon/6.1 Chrome/86.0.4240.111 QupZilla/2.2.6

Note the Maxthon/6.1

For Win 7 it should be

Mozilla/5.0 (compatible; Windows NT 6.1; WOW64; IA64; en) AppleWebKit/599.0+ Maxthon/6.1 Chrome/86.0.4240.111 QupZilla/2.2.6

Edited by Magdalene
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I completely disabled ViolentMonkey - scripts have nothing to do with it.
 

1 hour ago, Magdalene said:

For Win 7 it should be

Mozilla/5.0 (compatible; Windows NT 6.1; WOW64; IA64; en) AppleWebKit/599.0+ Maxthon/6.1 Chrome/86.0.4240.111 QupZilla/2.2.6

No, it doesn't work.
We need to find another solution to the problem.

.....

I conducted another experiment: instead of the word "Maxthon" in UA, I substituted the word "Magdalene" and it worked!
I.e., there is clearly a reaction to the word "Maxthon". What the hell?!?!

 

 

UA_bad3.jpg

Edited by Sergey_K
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I'm obviously an 'Open Sesame' :Wink_Emoji_42x42:.

I'm bamboozled by this as well, as the UA I gave you works for me. I'll do some research and get back to you.

When you disabled ViolentMonkey did you refresh the tab? You need to.

Is anybody else following this thread who can try these UA's to see if they have the same problem as Sergey?

Edited by Magdalene
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