How do I uninstall K9 Protector to enable me to get rid of 'System Tool' malware, because K9 Protector is not responding. System Tool is blocking .exe files.

When you did this did yo get the message that it was uninstalled?
Symptom
You want to uninstall K9 from a Mac computer.
Solution
Note: You must have administrator rights to uninstall K9 Web Protection.

1. Open the [System Preferences] panel.
2. Click the K9 Web Protection icon under the "Other" section at the bottom.
3. Click the [Uninstall] button.
4. When prompted, enter your K9 administrator password and click [OK].
5. You will then be prompted to enter your Mac administrator password.
6. When the uninstall process is complete, you will receive a message saying K9 has been successfully uninstalled.

DO NOT ATTEMPT TO UNINSTALL K9 WITHOUT A PASSWORD. By design, K9 will block all web access should anyone attempt to uninstall without using a password. Attempts to modify K9 at the system level will have the same effect.
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Solution
Please follow the instructions below to uninstall K9 Web Protection. Make sure you are connected to the internet before uninstalling K9 so your license is properly released. If this is not possible, you can continue to uninstall, but you will need to request a new K9 license if you choose to reinstall K9 in the future. Also, please make sure you are logged into your Windows Administrator user profile. Attempting to uninstall K9 from any other user profile than "Administrator" will not work.

1. Click [Start].
2. Click [Control Panel] (Note: if you cannot see this option, it may be under [Settings]).
3. Open [Programs and Features] (Note: This will be called [Add/Remove Programs] in Windows XP).
4. Locate Blue Coat K9 Web Protection in the list of programs and click once to highlight it.
5. Click [Change/Remove].
6. Click [Yes] when you are asked whether you want to completely remove K9. DO NOT ATTEMPT TO UNINSTALL K9 WITHOUT A PASSWORD. By design, K9 will block all internet access should one attempt to uninstall K9 without using a password. Attempts to modify K9 at the registry level will have the same effect.
7. Enter your K9 Administration password and click [Uninstall]. If you forgot your password, click the "Forgot Password..." link to have a temporary password emailed to the email address on file.
8. When prompted to reboot your computer, click [Yes].

After rebooting your computer, K9 will be completely uninstalled

Don't uninstall K9 without a password.
Open the System Preferences panel > Click the K9 Web Protection icon under the Other section at the bottom> Click the Uninstall button. for more help and guidance follow Apple Tech Support .

One thing you can do is to turn off the K9 web protector by uninstalling it or changing its settings which both requires a password.
Another thing Is to use proxy but this won't work if proxy sites are also blocked by K9.

On Windows, your could also disable the K9 web protector if you have an administrative privileges on your PC:

1. First go to Start.
2. Click Control panel.
3. Click on System and Security .
4. Under System choose Device Manager.
5. On Device Manger window, Click View then Check Show Hidden Devices
6. Look for Non-Plug and Play Devices and Expand it by clicking on it.
7. Under it, Look for bckd then Double click on it to open its properties.
8. Then on Startup type choose Disabled.
9. Click OK then restart your computer.
10. After restarting, Repeat steps 1 to 7, The current status should be Stopped
11. If not, Click on Stop button and Click OK and restart once again.

K9 Web Protection is a software installed on your computer to block certain images or websites. It is a Parental Control software that manages website, images, text contents to be blocked on a computer.

In order for you to get rid of the block, you will need to disable the K9 software or to uninstall it completely.

1. You want to uninstall K9 Web Protection on a Windows computer. **Read the instruction carefully.

2. You want to uninstall K9 from a Mac computer. **Read the instruction carefully.

Hope it helps.

Solution

Please follow the instructions below to uninstall K9 Web Protection. Make sure you are connected to the internet before uninstalling K9 so your license can be released. If this is not possible, you can continue to uninstall, but you will need to request a new K9 license if you want to reinstall K9 in the future.

1. Click Start
2. Click Control Panel. If you can't see this option, it may be under "Settings"
3. Click Add or Remove Programs
4. Find Blue Coat K9 Web Protection in the list of programs and click it once.
5. Click the Change/Remove button.
6. Click Yes when you are asked whether you want to completely remove K9. DO NOT ATTEMPT TO UNINSTALL WITHOUT A PASSWORD. By design, K9 will block all Internet access should one attempt to uninstall without using a password. Attempts to modify K9 at a registry level will have the same effect.
7. Enter your K9 administration password and click Uninstall. If you forgot your password, click the "Forgot Password..." link to have a temporary password emailed to you.
8. When asked whether to reboot your computer, click Yes

After rebooting, K9 will be completely uninstalled.

You can find many solutions over the net but dont try it else the internet will be blocked.. just ask for a new password and they will mail you... You need to click on forgot password.

K-9 Anti-Virus is a Malware/Virus program....read below and follow the link to download and run MalwareBytes Anti-Malware tool....

K9 protection along with Malware of other similar names is everywhere and it is hard to scrub from the system. There is however one program that has been doing the job very well. The program is free to download and use and is called Malwarebytes Anti-Malware Tool. When you click on the link below, click on the download button. Run the installation program and when it is finished it will ask to both update and run the application, check both boxes and hit ok. Once the program updates, its main window will come up, choose quick scan and start the scanner. Once the program has finished the scan it will notify of all infections it has found. Choose to show results, all infections will be shown and checked for deletion. Delete all files it finds and reboot the system. The system should now be clean of all malware.

http://www.filehippo.com/download_malwarebytes_anti_malware/

K9 web protection is Malware and a nasty one at that. Follow the procedure below and you should be able to rid yourself of it.

K9 protection along with Malware of other similar names is everywhere and it is hard to scrub from the system. There is however one program that has been doing the job very well. The program is free to download and use and is called Malwarebytes Anti-Malware Tool. When you click on the link below, click on the download button. Run the installation program and when it is finished it will ask to both update and run the application, check both boxes and hit ok. Once the program updates, its main window will come up, choose quick scan and start the scanner. Once the program has finished the scan it will notify of all infections it has found. Choose to show results, all infections will be shown and checked for deletion. Delete all files it finds and reboot the system. The system should now be clean of all malware.

http://www.filehippo.com/download_malwarebytes_anti_malware/