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Knowledgebase : F-PROT Antivirus > F-PROT Antivirus for Windows > Problems and Errors

Windows Safe Mode is a way of booting up your Windows operating system in order to run administrative and diagnostic tasks on your installation. When you boot into Safe Mode the operating system only loads the bare minimum of software that is required for...
You receive the following error message when trying to install F-PROT Antivirus:"Error 1316. A network error occurred while attempting to read from the file: [path]"This is a Windows Installer error that may occur when it tries to access the i...
You receive the following error message when installing F-PROT Antivirus: "Error 1406 Could not write value 409 to key HKey_Local_Machine\software\classes\componentcategories\{56FFCC30-D398-11D0-B2AE-00A0C908FA49}" Error 1406 indicates that Norton ...
If you try to download updates, you may receive the following error message: "Subscription key doesn't match client application"This issue may occur if the subscription key you have entered in the program does not match to the application you ...
If you try to download updates, you may receive the following error message:"Subscription key is missing"This issue may occur if the Subscription Key is missing in the program. Please note that F-PROT Antivirus requires a Subscription Key to b...
If you believe that F-PROT Antivirus is slowing your system down, please follow this procedure: Version 6 * Make sure that you are running the most recent version of F-PROT Antivirus [1]. * Perform a full scan on your computer [2] to check for v...
When trying to install F-PROT Antivirus, you may receive the following message (see below):The workaround for this issue is to install F-PROT Antivirus at the command-line with the silent switch. To enter the command line, go to Start, select Run, write...
To update its virus definitions, all F-PROT Antivirus products use FRISK Software's Update services. In cases where Internet connectivity is restricted, specific firewall settings may be used to allow F-PROT Antivirus updates to be obtained. The service...
Note: This information is about CD's containing XCP content protection software developed by the British company First4Internet for Sony BMG. Sony has released an update to the XCP copy protection that removes the cloaking technology component of XCP. Ple...
You may create a script to automate the copying of virus signature file (antivir.def) and settings files (config.xml, tasks.xml, exclusion.xml) to the update location and then schedule it to run regularly, e.g. hourly. The user can choose between two ...
If an infection is found in the "C:\system volume information\restore" folder, you will have to disable System Restore. The System Restore feature is built into Windows XP and Windows ME and is used to return your computer to an earlier state if...
SITUATION: You entered your new subscription key in the program but F-PROT Antivirus fails to update your subscription. SOLUTION: Please view your subscription key in the Customer Zone again and reenter it into the program to make sure you are...
If your computer is infected with a virus, please do the following: Upgrade [1] to the latest version of F-PROT Antivirus. Update [2] the virus signature files. Do the following: * Run F-PROT Antivirus. * From the main menu, click the UPDA...
When installing F-PROT Antivirus for Windows on Windows Vista , you get the welcome screen. As soon as you click Next you get a "Fatal error: Installation ended prematurely because of an error." and after you click OK the installer quits.The cau...
When installing F-PROT Antivirus, you get to as far as 80% of the "copying files" process. After that, the installation stops for a second, then rewinds (rolls back) and you get a "Fatal error: Installation ended prematurely because of an e...
Please click the following link in order to report AV FN / FP´s: https://www.cyren.com/support/reporting-av-misclassifications [https://www.cyren.com/support/reporting-av-misclassifications]
SUBMITTING CRASH INFORMATION TO TECHNICAL SUPPORT If a crash (BSOD) occurs, and you think it may have been caused by F-PROT Antivirus, please submit relevant information to our Technical Support Team. Doing this helps us identifying the cause of the c...
You need to send us a sample of the quarantined files for analysis. Below are instructions on how to do so: To start with, you need to disable the file system scanner. * Run F-PROT Antivirus. * Click the Virus scanners menu. * Under Virus sc...
By default, F-PROT Antivirus is set to show its icon in the system tray. If F-PROT Antivirus icon is not visible in the system tray, please restart your computer. If it does not solve the issue, do the following: There are two possible reasons why F-PROT ...
During a manual update, F-PROT Antivirus may display the error message "unable to connect to server" and cannot recieve updates. If you receive this error, go through the following steps to resolve it: Is the computer connected to the Internet? ...
F-PROT Antivirus can recognize certain characteristics, activity and behavior to detect files that could potentially be harmful to your computer, even if they are not yet in the list of known viruses. This is useful for high risk users who can set the ...
You received an e-mail with an infected attachment then F-PROT Antivirus quarantines the whole Thunderbird's Inbox instead of taking action on just one e-mail. To prevent this issue, do the following: * Set F-PROT Antivirus to "Ask each time" instead o...
If the system reboots continuously after installing F-PROT Antivirus, please help us by gathering some information from your computer so we can investigate this issue further. With F-PROT Antivirus installed, start your computer in Safe Mode. Then do the ...
* Check your Internet connection. If your computer is not connected to the Internet, F-PROT Antivirus will be unable to connect to the server. * Do you have a firewall installed? Many personal firewall's take it upon themselves to close all traffic...
If you have lost or forgotten your Subscription Key, log in to the Customer Zone to view your Subscription Key. For detailed instructions, see How to obtain a subscription key [1]. Links: ------ [1] http://support.f-prot.com/index.php?/Knowledgebase/Arti...
The warning says: This warning only occurs when you have Windows XP with Service Pack 2 or Windows Vista. They include the Windows Security Center that runs as a background process and starts before the F-PROT Antivirus does.As soon as the F-PROT Antiviru...
The warning says: This warning only occurs when you have Windows XP with Service Pack 2 or Windows Vista. The Windows Security Center that runs as a background process, constantly checking the status of F-PROT Antivirus. When the program is not running th...
A cookie is a very small text file placed on your hard drive by a web server. It is essentially your identification card and cannot be executed as code or deliver viruses. It is uniquely yours and can only be read by the server that gave it to you. This c...
Please note that all infected files that F-PROT Antivirus is unable to disinfect will be quarantined. Below are several possible reasons why F-PROT Antivirus is unable to disinfect the virus: * THE INFECTION IS LOCATED IN THE SYSTEM VOLUME INFORMATION ...
F-PROT Antivirus and Command Anti-Malware are products of CYREN