How can i unblock the blue coat k9 web protection

just make a recovery point while system works fine. bring back the time in emergency.. Solution is called Jhalli's Time back (JTB)...

http://www1.k9webprotection.com/

Are you an adult or the younger person that this was installed to protect? If you are the adult then the above website should have all the information you need to correctly set it up so you can use the web browser.
It is very possible that your trying to get into an adult website or some other "offlimits" website which is why you are being kept out of it.
One common error in a house hold is to use a single logon account for everyone. If you do that, then the software can't tell when you have a kid on there and when you have an adult.

there is the web page, it might help u
http://www1.k9webprotection.com/support/kb/K9123.html

uninstall it

just cut the file from C:\WINDOWS\system32\drivers\bckd.sys and past it on the desktop then restart the web browser it will work

HW CAN I REMOVE OR UN BLOCK K9 WEB PROTECTION SO THAT I COULD BE ABLE TO SEE OTHER WEB SITES?

Click "Start" and open your computer's "Control Panel."

Click "Add or Remove Programs."

3Select "Blue Coat K9 Web Protection" from the list that appears.

Click "Change/Remove." Click "Yes" to confirm.

Enter your K9 password and click "Uninstall."

Click "Yes" to reboot your computer when the process completes.

2 Click "Add or Remove Programs."

3 Select "Blue Coat K9 Web Protection" from the list that appears.

4 Click "Change/Remove." Click "Yes" to confirm.

5 Enter your K9 password and click "Uninstall."

6 Click "Yes" to reboot your computer when the process completes.

Read more: How do I Uninstall K9 From the Local Computer? ' eHow.com http://www.ehow.com/how_6885359_do-uninstall-k9-local-computer_.html#ixzz1CpiGZfJL

open k9 web protection now

I found this on superuser link at the bottom.
No third party software required. Tested with K9 Web Protection version 4.4.268 on Windows Vista SP2 (32-bit). Confirmed by @stiemannkj1 to be working on Windows 7. Should also work on Windows 8.x.

1. Create a new text file. Copy and paste the following batch script code, then save:@echo off set keys=^ "HKLM\SOFTWARE\Blue Coat Systems"^ "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\k9filter.exe"^ "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Blue Coat K9 Web Protection"^ "HKLM\SYSTEM\CurrentControlSet\Services\bckd"^ "HKLM\SYSTEM\CurrentControlSet\Services\bckwfs" REM remove registry keys for %%G in (%keys%) do reg delete "%%~G" /f >nul set folders=^ "%programfiles%\Blue Coat K9 Web Protection"^ "%programdata%\Microsoft\Windows\Start Menu\Programs\Blue Coat K9 Web Protection" REM remove folders for %%G in (%folders%) do rd /s /q "%%~G" set files=^ "%windir%\System32\drivers\bckd.sys" REM remove files for %%G in (%files%) do del "%%~G" pause exit /b
2. Make sure file extensions are shown and rename it to RemoveK9.cmd (or whatever you like, as long as it has the .cmd extension).
3. Restart Windows in Safe Mode.
4. Right-click the .cmd file and select Run as administrator from the context menu. Wait for the batch script to finish.
5. Start regedit.exe and navigate to the following registry key:
   <code>HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_BCKD Right-click the LEGACY_BCKD key and select Permissions from the context menu. Click Advanced and select the Owner tab. Then select Administrators from the owner list, tick the Replace owner on subcontainers and objects option, and then click OK. Then select Everyone and tick the Allow checkbox for the Full Control permission. Click OK, right-click the key and finally choose Delete.
   
   
6. Restart Windows.

How can uninstall K9 Web Protection without K9 admin password

Please try going into safe mode. And runnin malware bytes. Available through filehippo.com.