Quick Summary
Error 1719 indicates a problem with the Windows Installer service. Specifically, the Windows Installer service could not be accessed, preventing installation or uninstallation from proceeding.
Common Causes
- Windows Installer Service Not Running: The Windows Installer service might not be started or is disabled. This prevents any software installation or uninstallation processes that rely on it from functioning correctly.
- Corrupted Windows Installer Files: Critical files required by the Windows Installer may be damaged or missing. This commonly results from system errors, incomplete updates, or malware infections.
- Incorrect Registry Settings: The registry entries associated with the Windows Installer service might be corrupted or configured incorrectly. This can happen due to software conflicts or manual registry modifications.
- Insufficient Permissions: The user account attempting the installation might lack the necessary permissions to access or modify the Windows Installer service or related files. This is more relevant on systems with user access control enabled.
Step-by-Step Fixes
Method 1: Start the Windows Installer Service
Step 1: Press the Windows key + R to open the Run dialog box.
Step 2: Type services.msc and press Enter.
Step 3: In the Services window, locate the Windows Installer service.
Step 4: If the service is not running, right-click on it and select Start. If it is already running, right-click and select Restart.
Step 5: Ensure the Startup type is set to Manual. Right-click the service, select properties, and check the 'Startup type' dropdown.
Step 6: Click Apply and then OK.
Method 2: Re-register the Windows Installer
Step 1: Press the Windows key + R to open the Run dialog box.
Step 2: Type msiexec /unregister and press Enter. This will unregister the existing Windows Installer.
Step 3: Press the Windows key + R again to open the Run dialog box.
Step 4: Type msiexec /regserver and press Enter. This will re-register the Windows Installer.
Step 5: Restart your computer.
Method 3: Run the System File Checker (SFC)
Step 1: Open the Command Prompt as an administrator. Search for cmd in the start menu, right-click the result, and select Run as administrator.
Step 2: Type sfc /scannow and press Enter.
Step 3: Wait for the scan to complete. This might take some time.
Step 4: If the SFC finds and repairs any corrupted files, restart your computer.
Method 4: Check User Permissions
Step 1: Ensure you are logged in as an administrator or have administrator privileges.
Step 2: Right-click the installation file you are trying to run or the installation folder.
Step 3: Select Properties.
Step 4: Go to the Security tab.
Step 5: Verify that your user account and the SYSTEM account have Full control permissions. If not, click Edit, select your account, and check the Full control box. Do the same for the SYSTEM account.
Step 6: Click Apply and then OK.