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I often get this error on Comcast site, Your browser sent a request that this server could not understand. Size of a request header field exceeds server limit.

  • 3 cavab
  • 3 have this problem
  • 7 views
  • Last reply by cor-el

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

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

All Replies (3)

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This issue can be caused by corrupted cookies.

Clear the cache and the cookies from sites that cause problems.

"Clear the Cache":

  • Tools > Options > Advanced > Network > Offline Storage (Cache): "Clear Now"

"Remove Cookies" from sites causing problems:

  • Tools > Options > Privacy > Cookies: "Show Cookies"
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This solved the problem!!!! Many thanks. I thought I was going to have to rebuild my profile as a last resort.

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You're welcome