antiOVER, В командной строке запущенной от имени администратора выполните:
Код:

MD C:\BKP_FF
REG EXPORT "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\FileExts\http" "C:\BKP_FF\cv_http.reg"
REG EXPORT "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\FileExts\https" "C:\BKP_FF\cv_https.reg"
REG EXPORT "HKCU\SOFTWARE\Microsoft\Windows\Roaming\OpenWith\UrlAssociations\http" "C:\BKP_FF\rm_http.reg"
REG EXPORT "HKCU\SOFTWARE\Microsoft\Windows\Roaming\OpenWith\UrlAssociations\https" "C:\BKP_FF\rm_https.reg"
REG EXPORT "HKCU\SOFTWARE\Microsoft\Windows\Shell\Associations\UrlAssociations\http" "C:\BKP_FF\sh_http.reg"
REG EXPORT "HKCU\SOFTWARE\Microsoft\Windows\Shell\Associations\UrlAssociations\https" "C:\BKP_FF\sh_https.reg"
REG EXPORT "HKCU\SOFTWARE\Clients\StartMenuInternet\FIREFOX.EXE" "C:\BKP_FF\smi_ff.reg"
REG EXPORT "HKLM\SOFTWARE\Classes\FirefoxURL" "C:\BKP_FF\ffu.reg"
REG EXPORT "HKLM\SOFTWARE\Clients\StartMenuInternet\FIREFOX.EXE" "C:\BKP_FF\ffe.reg"
Создайте reg файл, внесите следующие данные:
Код:

Windows Registry Editor Version 5.00
[-HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\FileExts\http]
[-HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\FileExts\https]
[-HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\Roaming\OpenWith\UrlAssociations\http\UserChoice]
[-HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\Roaming\OpenWith\UrlAssociations\https\UserChoice]
[-HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\Shell\Associations\UrlAssociations\http\UserChoice]
[-HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\Shell\Associations\UrlAssociations\https\UserChoice]
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\FirefoxURL]
@="Firefox URL"
"FriendlyTypeName"="Firefox URL"
"URL Protocol"=""
"EditFlags"=dword:00000002
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\FirefoxURL\DefaultIcon]
@="C:\\Program Files\\Mozilla Firefox\\firefox.exe,1"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\FirefoxURL\shell]
@="open"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\FirefoxURL\shell\open\command]
@="\"C:\\Program Files\\Mozilla Firefox\\firefox.exe\" -osint -url \"%1\""
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\FirefoxURL\shell\open\ddeexec]
@=""
[HKEY_LOCAL_MACHINE\SOFTWARE\Clients\StartMenuInternet\FIREFOX.EXE]
@="Mozilla Firefox"
[HKEY_LOCAL_MACHINE\SOFTWARE\Clients\StartMenuInternet\FIREFOX.EXE\Capabilities\URLAssociations]
"ftp"="FirefoxURL"
"http"="FirefoxURL"
"https"="FirefoxURL"
[HKEY_LOCAL_MACHINE\SOFTWARE\Clients\StartMenuInternet\FIREFOX.EXE\InstallInfo]
"HideIconsCommand"="\"C:\\Program Files\\Mozilla Firefox\\uninstall\\helper.exe\" /HideShortcuts"
"ShowIconsCommand"="\"C:\\Program Files\\Mozilla Firefox\\uninstall\\helper.exe\" /ShowShortcuts"
"ReinstallCommand"="\"C:\\Program Files\\Mozilla Firefox\\uninstall\\helper.exe\" /SetAsDefaultAppGlobal"
"IconsVisible"=dword:00000001
[HKEY_LOCAL_MACHINE\SOFTWARE\Clients\StartMenuInternet\FIREFOX.EXE\shell]
[HKEY_LOCAL_MACHINE\SOFTWARE\Clients\StartMenuInternet\FIREFOX.EXE\shell\open]
[HKEY_LOCAL_MACHINE\SOFTWARE\Clients\StartMenuInternet\FIREFOX.EXE\shell\open\command]
@="\"C:\\Program Files\\Mozilla Firefox\\firefox.exe\""
[HKEY_CURRENT_USER\SOFTWARE\Clients\StartMenuInternet\FIREFOX.EXE\Capabilities\URLAssociations]
"ftp"="FirefoxURL"
"http"="FirefoxURL"
"https"="FirefoxURL"
[HKEY_CURRENT_USER\SOFTWARE\Clients\StartMenuInternet\FIREFOX.EXE\shell\open\command]
@="\"C:\\Program Files\\Mozilla Firefox\\firefox.exe\""
[HKEY_CURRENT_USER\SOFTWARE\Clients\StartMenuInternet\FIREFOX.EXE\shell\safemode\command]
@="\"C:\\Program Files\\Mozilla Firefox\\firefox.exe\" -safe-mode"
сохраните и выполните.
Перейдите в
Параметры » Система » Приложения по умолчанию » Сбросить и назначьте браузер Firefox по умолчанию.