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What does "disallowed key characters" mean?

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When I try to open a link to my college's library website the message, "disallowed key characters" appears. What does this mean? In the past, I was able to open this link and access the library's catalogs without a problem.

When I try to open a link to my college's library website the message, "disallowed key characters" appears. What does this mean? In the past, I was able to open this link and access the library's catalogs without a problem.

Chosen solution

If you use a bookmark to open a specific page on the server then try to navigate to that page starting with the main page or the sign in page of the website in case this bookmark is currently broken.

Clear the cache and remove cookies only from websites that cause problems.

"Clear the Cache":

  • Firefox > Preferences > Advanced > Network > Cached Web Content: "Clear Now"

"Remove Cookies" from sites causing problems:

  • Firefox > Preferences > Privacy > "Use custom settings for history" > Cookies: "Show Cookies"
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  • Provides information about the default web browser
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  • User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:41.0) Gecko/20100101 Firefox/41.0
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Graphics

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cor-el
  • Top 10 Contributor
  • Moderator
17540 solutions 158599 answers

Chosen Solution

If you use a bookmark to open a specific page on the server then try to navigate to that page starting with the main page or the sign in page of the website in case this bookmark is currently broken.

Clear the cache and remove cookies only from websites that cause problems.

"Clear the Cache":

  • Firefox > Preferences > Advanced > Network > Cached Web Content: "Clear Now"

"Remove Cookies" from sites causing problems:

  • Firefox > Preferences > Privacy > "Use custom settings for history" > Cookies: "Show Cookies"
If you use a bookmark to open a specific page on the server then try to navigate to that page starting with the main page or the sign in page of the website in case this bookmark is currently broken. Clear the cache and remove cookies only from websites that cause problems. "Clear the Cache": *Firefox > Preferences > Advanced > Network > Cached Web Content: "Clear Now" "Remove Cookies" from sites causing problems: *Firefox > Preferences > Privacy > "Use custom settings for history" > Cookies: "Show Cookies"
jscher2000
  • Top 10 Contributor
8775 solutions 71736 answers

Helpful Reply

Supporting the previous suggestion, I saw a library website mention clearing cookies as a remedy for that error message: http://answers.library.utoronto.ca/a.php?qid=979793

Supporting the previous suggestion, I saw a library website mention clearing cookies as a remedy for that error message: http://answers.library.utoronto.ca/a.php?qid=979793