В другом браузере такой проблемы нет. В Firefox проблема уходит, если очистить всю историю.

На доменах о котором Я говорю, никогда не было HTTPS.

Separate Security Issue: Update your Flash Player or remove it using these links; http://helpx.adobe.com/flash-player/kb/uninstall-flash-player-windows.html Uninstall Flash Player | Windows http://helpx.adobe.com/flash-player/kb/uninstall-flash-player-mac-os.html Uninstall Flash Player | Mac

Note: Windows users should download the ActiveX for Internet Explorer. and the plugin for Plugin-based browsers (like Firefox).

Note: Windows 8 and Windows 10 have built-in flash players and Adobe will cause a conflict. Install the plugin only. Not the ActiveX.

Flash Player Version: Version 29.0.0.113

https://get.adobe.com/flashplayer/ Direct link scans current system and browser Note: Other software is offered in the download. <Windows Only>

https://get.adobe.com/flashplayer/otherversions/ Step 1: Select Operating System Step 2: Select A Version (Firefox, Win IE . . . .) Note: Other software is offered in the download. <Windows Only> +++++++++++++++++++ See if there are updates for your graphics drivers https://support.mozilla.org/en-US/kb/upgrade-graphics-drivers-use-hardware-acceleration

Start Firefox in Safe Mode {web link} by holding down the <Shift> (Mac=Options) key, and then starting Firefox.

A small dialog should appear. Click Start In Safe Mode (not Refresh). Is the problem still there?

1) I refresh Flash Player.

2) I restart in safe mode, problem still there.

http://prntscr.com/iytc0v

3) I wrote http://bw.devplan.ru (this my domain available only for me) But firefox in safe mode change from HTTP on HTTPS, not via redirect.

http://prntscr.com/iytc9j

But, if i clear all history Firefox work correct. After a while, the problem repeats.

In other browser no this problem.

http://prntscr.com/iytctd

Please see screencast.

https://yadi.sk/i/SIV5bvC-3Tvzaa

Type about:support in the address bar and press Enter. Under the main banner, press the button; Copy Text To Clipboard.. Now in the Reply Box on the forum page, do a right-click in the box and select Paste.

This will show us your system details. No Personal Information Is Collected.

I try paste here text from browser :)

http://prntscr.com/iyu2ww

Please download from Yandex.Disk

https://yadi.sk/i/BMbU_YHv3Tw6e9

I called for more help.

If necessary, I can provide access to the PC through TeamViewer.

HI, sorry we do not do that.

Suggest you clear your cache and cookies, restart Firefox and try.

You can ask your question here in your own language : https://mozilla-russia.org