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Windows Installer does not run in safe mode, which means that programs cannot be installed or uninstalled in mode without issuing a specific command with at the command prompt. If you try to uninstall programs in safe mode, you may receive the following message :
The Windows Installer service could not be called. This can happen if the Windows installer is not installed correctly. Contact your support team for help
This article describes how to run Windows Install in Safe Mode.
Run Windows Installer in Safe Mode
For Windows Installer to work in Safe Mode, you must create a registry entry for each Safe Mode type you connect to:
Enter this in a command prompt and press Enter:
REG ADD'HKLMSYSTEMCurrentControlSetControlSafeBootMinimalMSIServer' /VE /T REG_SZ /F /D'Service'
Then start the Windows Installer service by entering.
Safe Mode with Network
Enter this in a command prompt and press Enter :
REG ADD'HKLMSYSTEMCurrentControlSetControlSafeBootNetworkMSIServer' /VE /T REG_SZ /F /D'Service'
Then start the Windows Installer service by entering (2).
See this message if your Windows Installer continues to accidentally appear.