How To Fix Bitdefender Error 1605?

Are you getting the Bitdefender error 1605? This error can happen if the installation of the Bitdefender software goes wrong on your Windows computer. Sometimes, you may get this error if you haven’t removed the previously installed Bitdefender software from your computer; remove the software and its related files from the Registry Editor. If applicable, use the Bitdefender remover tool and reinstall the software. If the problem persists, fix the Bitdefender error 1605 by following the steps given below.

Solution 1: Repair corrupted files

Step 1:On your Windows computer, click Start and type ‘cmd’ in the search field.

Step 2:From the search result, right-click the Command Prompt app and select the Run as administrator option.

Step 3:Wait for the Command Prompt app to launch.

Step 4:If the device prompts for User Account Control, click the Yes button.

Step 5:Type ‘sfc /scannow’ in the Command Prompt window and hit the Enter key.

Step 6:Let System File Checker finish the scan. This utility will automatically detect and repair the corrupted files on your computer.

Step 7:You can also use the ‘chkdsk /f C:’ command to repairs errors on your hard drive.

Step 8:Restart your computer and check if the Bitdefender error 1605 is resolved.

Solution 2: Manually add permissions to the Bitdefender installation folders

Step 1: First, create the following path on your C: drive.
Step 2: Give a right-click on the SetupInformation folder and select the Properties option.
Step 3: In the Security tab, click the Edit button.

Step 4: Choose the Windows user and select the Full control checkbox.

Step 5: Click OK to set the correct Windows permissions for the C:\Program Files\Common Files\Bitdefender\SetupInformation folder.
Step 6: Save the settings and restart your computer.
Step 7: Once your computer has been rebooted, reinstall the Bitdefender program from your Central Account.

In case you cannot fix the Bitdefender antivirus error 1605 on your Windows computer, click the Call button on this page and contact our technical experts for remote assistance.