Error 1404. Setup Cannot Delete The Registry Key

I was installing Microsoft Office on one of my client’s PCs and a strange error popped up saying something like this:

Error 1404. Setup cannot delete the registry key.

office 1404 error-Optimized
This is the first time I’m getting this error. I researched a bit and found out that this error comes because we don’t have write permissions on that specific registry key. I researched about this error and came up with the following solution:

  1. Go to Start –> Run –> regedit
  2. Go to the key which was creating problems (it may be specified in the error log file of the software)
  3. Go to Edit –> Permissions
  4. Add your username in the permissions box and select Allow all to give yourself full permissions.

permissions for shell-Optimized
Hopefully this will solve the problem of not deleting the registry key from registry.

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