I'm getting a 400 and 404 error when going to a known good web site. However, right clicking and opening Firefox as administrator, it works & I get no error.

Question

same user account, same session - running Firefox as a standard user, there's one particular website where I get a 400 and 404 error. Closing Firefox then reopening by right clicking and running as administrator it works. Why? I have no extensions and all add-ons are either up to date or if not, have tried disabling with no resolution of problem.

Answer 1

Hello,
Many site issues can be caused by corrupt cookies or cache. In order to try to fix these problems, the first step is to clear both cookies and the cache.
Note: ''This will temporarily log you out of all sites you're logged in to.''
To clear cache and cookies do the following:
#Go to Firefox > History > Clear recent history or (if no Firefox button is shown) go to Tools > Clear recent history.
#Under "Time range to clear", select "Everything".
#Now, click the arrow next to Details to toggle the Details list active.
#From the details list, check ''Cache'' and ''Cookies'' and uncheck everything else.
#Now click the ''Clear now'' button.
Further information can be found in the [[Clear your cache, history and other personal information in Firefox]] article.
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Thank you.