Something is wrong with your Bitdefender settings? In rare cases, this message may appear shortly after starting the Bitdefender installation process on a Windows computer.
To resolve this situation, you need to perform the following steps:
• Remove all previous versions of Bitdefender from your system using one of the uninstall tools provided here.
• Remove any other installed security solutions and restart the computer. Uninstall them using the control panel by following the instructions provided here.
Note: Removal (uninstall) tools for popular antivirus software are also listed here.
• Then reinstall Bitdefender from your Bitdefender Central Office.
If the error persists, we recommend that you do the following:
1. Use the Microsoft System File Checker (sfc) tool to repair missing or corrupt files as described in this article.
2. Use the Check Disk utility to check hard drive integrity and correct certain types of common errors. To use the tool from an elevated command prompt, you must:
• Click the Windows icon in the lower left corner of the screen.
• Type a command prompt.
• Right-click on the command prompt and select Run as administrator.
• At the User Account Control prompt, click Yes.
• For example, to find and fix errors on drive C, use the following command:
chkdsk /fC:
• If you want to scan a different drive, just replace C with the appropriate drive letter.
If you have encountered Bitdefender activation problem, then here's the solution to that error.
3. Perform all Windows updates (make sure you have the latest service pack installed). Learn more about Windows Update by visiting this link.
Note: If you are using Windows 8, Windows 8.1 or Windows 10, please also follow these steps to run the DISM command:
• Open an elevated command prompt. To do this, press the Windows button at the bottom left of the screen and type Command Prompt
• Right-click the command prompt and click Run as administrator.
• At the User Account Control prompt, click Yes.
• Type the following command and press Enter:
DISM.exe /Online /Cleanup-image /Restorehealth
4. Manually add permissions to the Bitdefender installation folder. To do this, you must:
• Manually create the following paths:
C:\Program Files\Common Files\Bitdefender\SetupInformation\
• Right-click SetupInformation and select Properties.
• Click the Security tab, then click the Edit button.
• Select your Windows user.
• After selecting your user, check the box next to Full Control.
The above steps will set the correct Windows permissions for the C:\Program Files\Common Files\Bitdefender\SetupInformation folder.
• You must also set full permissions for the following folders (repeat step 4):
C:\Program Files\Bitdefender (if you need to create it manually)
C:\Program Files\Common Files\Bitdefender
5. After setting full permissions to the above folders, restart your computer and install Bitdefender from your Central account.
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