After first pass of Windows 7 Pro install from DVD I was unable to install the network driver required. By installed KB4457144 I was then able to install and finish the Win 7 pro install.
- Dell: Find a driver for your OptiPlex 9020
- Windows Dev Center: AddDllDirectory function
- Install All Post-SP1 Updates Offline in Windows 7 Using Convenience Rollup Package
Bought a USFF Dell Optiplex 9020 with a Windows 7 Pro COA sticker. After re-installing Windows 7 it still needed a few drivers. Inconveniently that included the network driver so I had to use sneaker net to install that. Upon attempting to install I received this message
First googling showed that KB2533623 except when you go to that Microsoft page it is no longer available. Replacement solution appears to be in KB4457144
The End User / IT Administrator must ensure KB2533623 is installed on Dell client commercial and consumers systems running on Windows 7 operating systems (32-bit or 64-bit) before attempting to install the Dell Update Package, or when encountered with this error and before re-attempting to install the particular Dell Update Package.
The KB can be downloaded from Microsoft from the following site by selecting the Windows 7 operating system and architecture: Update for Windows 7 (KB2533623).
The latest KB4457144, with additional fixes including KB2533623, can be downloaded from Microsoft.
- Details of KB4457144: September 11, 2018—KB4457144 (Monthly Rollup).
- Standalone package: Microsoft Update Catalog – KB4457144.
Microsoft Update Catalog