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"Error 1321. The Installer has insufficient privileges to modify the file C:\Windows\SysWOW64\vsdata.dll." error message appears during Endpoint Security Client installation Technical Level
Symptoms
  • "Error 1321. The Installer has insufficient privileges to modify the file C:\Windows\SysWOW64\vsdata.dll." error message during Endpoint Security Client installation.
Cause

Some components of previous Endpoint Security Client installation are still running and cannot be replaced due to Endpoint Security Client self-protection mechanism.



Solution
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