Clicked 'Block' option in error now can't see the website. How do I cancel

Question

Dopey I know but I clicked the 'block' option on the screen then agreed. Now can't view site and don't know what to do to correct this.

Answer 1

Troubleshooting extensions and themes
* https://support.mozilla.com/en-US/kb/Troubleshooting%20extensions%20and%20themes
Clear Cookies & Cache
* https://support.mozilla.com/en-US/kb/Template:clearCookiesCache
Clear the Network Cache
* https://support.mozilla.com/en-US/kb/How%20to%20clear%20the%20cache#w_clear-the-cache
-> click '''Firefox''' button and click '''Options''' -> Privacy -> History section -> '''Firefox will: select "Use Custom Settings for History"''' -> REMOVE Checkmark from '''Permanent Private Browsing mode''' -> place Checkmarks on:
1) Remember my Browsing History 2) Remember Download History 3) Remember Search and Form History 4) Accept Cookies from sites -> click '''Exceptions...''' button and click '''Remove All''' button -> Now type the addresses of the websites from which you want to Allow Cookies to be stored e.g. '''login.live.com''' , '''mail.live.com''' , '''hotmail.com''' , '''live.com''' , '''msn.com''' , '''login.yahoo.com''' , '''mail.yahoo.com''' , '''yahoo.com''' , '''mail.google.com''' , '''google.com''' , etc. -> click '''Allow''' for each, One by One 4a) Accept Third-party Cookies -> '''Keep Until : select''' '''They Expire'''
-> REMOVE CHECKMARK from CLEAR HISTORY WHEN FIREFOX CLOSES
-> click '''Firefox''' button and click '''Options''' -> Security -> place Checkmarks on:
1) Warn me when sites try to install add-ons 2) Block reported attack sites 3) Block reported web forgeries 4) Remember Passwords for sites
-> click '''Firefox''' button and click '''Options''' -> Advanced -> General -> Remove Checkmark from '''Warn me when websites try to redirect or reload the page'''
-> Click OK on Options window -> Restart Firefox
Check and tell if its working.
-> When you use '''Clear Recent History''' feature, DO NOT select '''Cookies, Forms and Search History, Active Logins, Site Preferences'''
* https://support.mozilla.com/en-US/kb/Clear%20Recent%20History#w_what-things-are-included-in-my-history
-> If you use Privacy Cleanup softwares like CCleaner, DON'T SELECT FIREFOX IN ITS SETTINGS. These softwares can be responsible for Deleting your Firefox Settings.