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Lists of frequently asked questions

Prior to the installation, we strongly recommend doing the following:

  • Install all the critical updates released by Microsoft for your operating system (updates can be downloaded from the Microsoft update site);
  • Use system tools to check the file system and fix problems, if any;
  • Close other running applications.

To run the installation in normal mode, use one of the following:

  • If the installation kit is a single executable file, launch the file.
  • If the installation kit is furnished on a branded disk, insert the disk into your optical drive. If autorun is enabled, the installation procedure will start automatically. If autorun is disabled, launch the autorun.exe file located on the disk. The autorun window will appear.

Then proceed with the following steps:

  • Press Install.

Follow the installation wizard instructions. At any installation step before file copying process is started you can use the two buttons:

  • Press Back to return to the previous step;
  • Press Next to move to the next step;
  • Press Cancel to cancel the installation.

In order to check the version number, right-click on the Dr.Web icon in the notifications area and select About. In the next window, you will see the Dr.Web version number and all the modules versions as well.

  1. Replace your license key for free to be able to use all the features of Dr.Web Security Space.

    ! A Dr.Web Anti-virus license key can also be used for Dr.Web Security Space, however the components included in Dr.Web Security Space but absent in Dr.Web Anti-virus will not work with the Dr.Web Anti-virus license key.

    The list of these components:

    • Spider Gate
    • Device access rules
    • Parental Control
    • Data Loss Prevention

    To replace your key, sign in to your My Dr.Web Portal for home (from the program or via the site), and in the active license's area of the License section—Active, click on Upgrade to Dr.Web Security Space free of charge.

    An email containing your new serial number and key file will be sent to your address. Read it.

    ! Free key replacement is only possible for Dr.Web Anti-virus licenses or Dr.Web Anti-virus + cryptographer licenses that are active (valid) at the moment of replacement.

    ! If you have a license that has not yet been activated, just register it—you'll be given a Dr.Web Security Space license immediately and you won't need to replace it.

    ! Once your license is replaced, your old license will be blocked in 30 days.

  2. Install Dr.Web Security Space. To do this:

    Download the Dr.Web Security Space distribution file. To do this, in your license's area of My Dr.Web Portal, click on "Download".


    Place the license key file in the same folder with the Dr.Web Security Space distribution file.

    Uninstall Dr.Web Anti-virus for Windows; to do this, open:

    • Windows 10
      Click on "Start" - "Parameters" - "Applications".
    • Windows 8 / 8.1
      Press "Win" + "X". In the newly appeared list, select "Programs and components".
    • Windows Vista / Windows 7
      Go to "Start" - "Control panel" - "Remove Programs".
    • Windows XP
      Go to "Start" - "Control panel" - "Add and Remove Programs".

    Find Dr.Web Anti-virus for Windows on the application list; select it, and click on "Uninstall".

    To transfer custom Dr.Web component settings to Dr.Web Security Space, do not clear the box "Dr.Web Anti-virus for Windows settings" in the "Parameters to save" window.


    Click on "Next".


    Enter the CAPTCHA code and choose to uninstall the application.

    Wait for the Dr.Web Anti-virus uninstall process to complete and make sure that you restart the computer.


    Install Dr.Web Security Space. To do this, open the distribution file.

    Confirm the system prompt to elevate privileges to administrator ones.


    If you want to change the list of components to be installed, for example, to add the Firewall, which is not installed by default, click on "Installation parameters".


    Click on "Next".

    The license file will be found automatically if it is located in the same folder with the distribution file.


    Otherwise, click on "Browse" and specify the file's location.

    Click on "Install" and wait for Dr.Web to finish installing to Dr.Web Security Space.

    Once installation is complete, restart the computer.

When purchasing our anti-virus, you obtain a certificate indicating which product the license you have bought is applied to. So, you need to install the product indicated.

There are two ways to do it:

  1. Disable anti-virus self-protection (right-click on the Dr.Web icon in the notifications area, select Disable self-protection, enter digits from the CAPTCHA and press Disable self-protection), then copy the drweb32.key key file from C:\Program Files\DrWeb (or the anti-virus installation folder) to a removable media. After that, locate the drweb32.key file path during the anti-virus installation the new OS.
  2. Download the latest Dr.Web version from our website and launch the installation. During the installation, enter your serial number; the key will be downloaded and installed automatically.

In this case, you need to download the latest anti-virus distribution file from our website and install it.

In default installation, all the anti-virus package components are automatically installed into C:\Program Files\DrWeb\ folder.

In custom installation, you can specify the list of components to be installed (e.g. you may choose not to install a firewall if you don’t need it), select installation folder and configure update server.

To have this error fixed, you need to download and install an update for Windows, and then restart anti-virus installation.

It is not allowed to install several anti-virus programs on one PC at a time — they will conflict with each other that may considerably slow down you PC or make it completely non-operational. If you have an anti-virus software already installed on your PC, but intend to install a new product from another vendor, then you need to remove the anti-virus program you have, prior to the installation.

If you wish to install another anti-virus program, you do it at your own risk, and become responsible for all the consequences because the consequences of such installation might be unpredictable including inability of your OS to boot as a result of two or more anti-viruses installed on your PC.

After you install any vendor’s anti-virus, Windows Defender is not disabled; it switches to the passive mode. This option is regulated by Windows; no anti-virus installed in your system (including Dr.Web) can affect Windows Defender's operation. This is one of Microsoft's requirements.

All versions of the Dr.Web anti-virus are tested by Microsoft. During the testing process, Microsoft specialists confirm whether an anti-virus meets all their requirements. Abnormal behaviour of Windows Defender may indicate operating system problems or that some third-party software you installed has compatibility issues with Dr.Web. In such situations, we recommend that you contact Doctor Web's technical support service for a thorough analysis of the situation.


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2003 — 2022

Doctor Web is a cybersecurity company focused on threat detection, prevention and response technologies