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Bad Request Your browser sent a request that this server could not understand. Size of a request header field exceeds server limit.

  • 2 Antworten
  • 1 hat dieses Problem
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  • Letzte Antwort von cor-el

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Bad Request

Your browser sent a request that this server could not understand. Size of a request header field exceeds server limit.

wtf! how does one report this to init a fix? This is not a community fix. Stuck! No where to go. Sh1t CS!

Bad Request Your browser sent a request that this server could not understand. Size of a request header field exceeds server limit. wtf! how does one report this to init a fix? This is not a community fix. Stuck! No where to go. Sh1t CS!

Ausgewählte Lösung

Please ignore spam replies about third-party support you may have received earlier and do not call a supplied phone number or send email.
This is the official support forum and we do not supply support by phone.


This issue can be caused by corrupted cookies.

Clear the Cache and remove the Cookies for websites that cause problems via the "3-bar" Firefox menu button (Options/Preferences).

"Remove the Cookies" for websites that cause problems:

  • Options/Preferences -> Privacy & Security
    Cookies and Site Data: "Manage Data"

"Clear the Cache":

  • Options/Preferences -> Privacy & Security
    Cookies and Site Data -> Clear Data -> Cached Web Content: Clear

If clearing cookies didn't help then it is possible that the cookies.sqlite file in the Firefox profile folder that stores the cookies got corrupted.

  • rename/remove cookies.sqlite (cookies.sqlite.old) and when present delete cookies.sqlite-shm and cookies.sqlite-wal in the Firefox profile folder with Firefox closed in case cookies.sqlite got corrupted.

You can use the button on the "Help -> Troubleshooting Information" (about:support) page to go to the current Firefox profile folder or use the about:profiles page.

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Ausgewählte Lösung

Please ignore spam replies about third-party support you may have received earlier and do not call a supplied phone number or send email.
This is the official support forum and we do not supply support by phone.


This issue can be caused by corrupted cookies.

Clear the Cache and remove the Cookies for websites that cause problems via the "3-bar" Firefox menu button (Options/Preferences).

"Remove the Cookies" for websites that cause problems:

  • Options/Preferences -> Privacy & Security
    Cookies and Site Data: "Manage Data"

"Clear the Cache":

  • Options/Preferences -> Privacy & Security
    Cookies and Site Data -> Clear Data -> Cached Web Content: Clear

If clearing cookies didn't help then it is possible that the cookies.sqlite file in the Firefox profile folder that stores the cookies got corrupted.

  • rename/remove cookies.sqlite (cookies.sqlite.old) and when present delete cookies.sqlite-shm and cookies.sqlite-wal in the Firefox profile folder with Firefox closed in case cookies.sqlite got corrupted.

You can use the button on the "Help -> Troubleshooting Information" (about:support) page to go to the current Firefox profile folder or use the about:profiles page.