Microsoft has blocked Windows 10 May 2019 update aka Version 1903 roll-out for some PCs with a Qualcomm Wi-Fi driver. Because of this outdated Wi-Fi driver, some older PCs were experiencing Wi-Fi connectivity issues.
Some older computers may experience loss of Wi-Fi connectivity due to an outdated Qualcomm driver. An updated Wi-Fi driver should be available from your device manufacturer (OEM).
To safeguard your upgrade experience, we have applied a hold on devices with this Qualcomm driver from being offered Windows 10, version 1903, until the updated driver is installed.
Microsoft has suggested users to check with their respective PC manufacturers for the updated Wi-Fi driver. The company has also recommended not trying to update using the Update now button or the Media Creation Tool until the updated driver has been installed.
Workaround: Before updating to Windows 10, version 1903, you will need to download and install an updated Wi-Fi driver from your device manufacturer (OEM).
Note We recommend that you do not attempt to manually update using the Update now button or the Media Creation Tool until a new driver has been installed and the Windows 10, version 1903 feature update has been automatically offered to you.