Resolving Error 1406: Unable to Modify Registry Value During Setup

Error 1406 is frequently encountered when attempting to install or update software on a PC, signifying issues with registry key modifications. Below are the necessary steps to address this problem:

1. Launch the installer with administrative rights: Right-click the installation file and choose 'Run as administrator' to ensure the installer has the required access to the registry.
2. Temporarily turn off antivirus programs: Antivirus can occasionally block the installer’s access to the registry. Disable your antivirus briefly and attempt the installation once more.
3. Verify the registry key permissions: If the registry key is non-writable or you lack adequate permissions, this error may occur. Right-click the registry key, select 'Permissions', and confirm full control is enabled for your account.
4. Utilise a registry cleaning tool: A corrupt registry key might require cleaning. Numerous online tools are available for free to diagnose and repair registry errors.
5. Reach out to the software provider: Should the problem persist, contacting the vendor might be necessary. They can offer specific solutions or alternative methods to circumvent the error.