VMware compiled its updated drivers (beginning with VMware Tools version 11.1.0 and persisting through newer builds like version 12.x and 13.x) using this mandatory SHA-2 standard. When an unpatched Windows 7 or Server 2008 R2 environment attempts to read the installer, its native security layer flags the driver signatures as corrupt or unreadable. The OS blocks the execution, and the installation fails with signature verification errors. How to Fix VMware KB 78708 (Step-by-Step)
The Servicing Stack Update (SSU) stabilizes the internal installation engine so it can correctly handle new cryptographic processing packages. 3. Recommended Baseline Packages (For Clean OS Installs)
For users who have access to the internet within their virtual machine (even without VMware Tools):
The key update required for Windows 7 and Server 2008 R2 is: kbvmware s article 78708 free
Comprehensive Guide to VMware Tools Installation Failures on Legacy Windows (KB 78708)
Since VMware Tools isn't working, you will not have access to convenient features like drag-and-drop or copy-paste. You can transfer the .msu files using one of these methods:
The string kbvmware s article 78708 free suggests a few things about how this story is being sought after: VMware compiled its updated drivers (beginning with VMware
The root cause of both errors is the same, and the solution is identical.
https://knowledge.broadcom.com/external/article?legacyId=78708
You could try installing an older version of VMware Tools (e.g., version 11.0.6 or earlier) which may still use SHA-1 signed drivers. However, using older versions is not recommended as they may lack important security fixes and features. Installing the updates is the proper, long-term solution. How to Fix VMware KB 78708 (Step-by-Step) The
After installing the Windows updates and restarting the virtual machine, retry the VMware Tools installation. The error messages should no longer appear, and VMware Tools should install successfully without driver verification failures.
Additionally, a Windows Security warning may appear:
This staged approach is particularly useful when network connectivity or file transfer limitations make it difficult to install Windows updates first.