I do not want theatre screen as default view. I want small view to be my default view. How do I set this?
Theatre view appears on any video window. I do NOT want theatre view. I want the small window (resizable) as my basic view. How do I set this default?
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https://support.mozilla.org/en-US/kb/changes-toolbars-and-window-sizes-are-not-saved You may have corrupt xulstore.json or Localstore.rdf file.
Close Firefox. Open your file browser to this hidden location:
- Mac: *~/Library/Application Support/Firefox/Profiles
- Linux: *~/.mozilla/firefox/Profiles
- Windows: %AppData%\Mozilla\Firefox\Profiles
- *C:\Users\<user>\AppData\Roaming\Mozilla\Firefox\Profiles
- Windows XP: C:\Documents and Settings\<user>\Application Data
\Mozilla\Firefox\Profiles\
Search for the above files. Then rename or delete them. Restart Firefox.
A detail like a website remembering you is stored in a cookie. Remove the cookies from a website to make the website forget about you.
Clear the cache and remove the cookies from websites that cause problems via the "3-bar" Firefox menu button (Options/Preferences).
"Clear the cache":
- Options/Preferences -> Advanced -> Network -> Cached Web Content: "Clear Now"
"Remove the cookies" from websites that cause problems.
- Options/Preferences -> Privacy -> "Use custom settings for history" -> Cookies: "Show Cookies"
Does this happen on any site that plays videos, or just on YouTube ? If the latter is the case : Do you by any chance have an extension like 'Youtube Flash Video Player' installed ? If so : would you disable it and see if that will make a difference ?
none of the ideas you have sent work.
Why don't you just write the code into Firefox to select the default size of video?
Nothing works. See my last post to you. That would constitute a solution.
AFAIK then Google no longer saves the theater setting in a persistent cookie (it is a session cookie that automatically expires).
Start Firefox in Safe Mode to check if one of the extensions ("3-bar" menu button or Tools -> Add-ons -> Extensions) or if hardware acceleration is causing the problem.
- switch to the DEFAULT theme: "3-bar" menu button or Tools -> Add-ons -> Appearance
- do NOT click the "Refresh Firefox" button on the Safe Mode start window
As nothing seems to work, I'm beginning to think that we're dealing with Theater Mode adware. To rule that out (or get rid of it) :
Go to the 3-bar menu (or 'Tools') => Addons => Extensions and look for any unfamiliar or suspicious looking extensions. When you find any : remove them.
Also look in : 3-bar menu (or 'Tools') => Options => Advanced => Network tab => Under : 'Offline Web Content and User Data'
Do the same in Windows' Control Panel => Programs.
However : most malware will be 'hiding' somewhere , so let's run malware scans :
Further information can be found in this article :
https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-caused-malware?cache=no
Run most or all of the listed malware scanners.
They all work differently - what one program doesn't pick up, the other might.
Also see : http://www.malwareremovalguides.info/remove-theater-mode-adware-free-removal-guide/