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Error 1315 Unable to Write to the Specified Folder (Shared Folder) on Windows 10 machines

Error 1315 Unable to Write to the Specified Folder (Shared Folder) on Windows 10 machines

Summary

Error 1315: Unable to write to the specified folder (shared folder) error is observed when performing a major upgrade or removing an installed target application from a shared location.

Project Types

  • Basic MSI
  • InstallScript MSI

Symptoms

Error 1315: Unable to write to the specified folder (shared folder) is observed when performing a major upgrade or removing a setup that is already installed at a shared location.

Cause

Error 1315 is observed on Windows 10 machines where Windows Update KB4551762 is installed.

Resolution:

To avoid Error 1315, make sure that the latest Windows updates are installed, specifically Windows updates released after Windows update KB4551762.

Reference:
A forum post that discusses this issue.

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Version history
Revision #:
2 of 2
Last update:
‎Feb 18, 2021 10:46 AM
Updated by:
 
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