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Cannot Write Project File

Qali Mohamoud

Hello,

I have the latest version of Keil uVision (5.43.1.0) and am using a community edition license.

This is my first time using Keil. When I try to create a project, after selecting the directory and device, I get an error saying: "Cannot write project file 'XXX.uvproj'!"

It creates empty 'Listings' and 'Objects' folders in the location but no project file.

I am able to open some example projects but cannot save them after modifying- I get the same error message.

I have tried:

  • creating projects in different directories
  • creating other types of files (.txt) in those same directories (which works, so windows can write to the directories but Keil can't?)
  • checking windows defender settings, though I'm not sure what I should be looking for
  • Un-installing and re-installing Keil in the root directory (it was initially installed in C:\Users\username\AppData\Local)
  • checked that the license is active
  • checked I am logged in as admin (I am)

I'm not sure what else to check or try. Would appreciate any help.

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  • 0 Arm Employee Badge in reply to Qali Mohamoud

    Thank you, that looks fine.

    Other than the topics we have discussed already, an idea is to check the Windows Defender ransomware protection:

    Windows Security → Virus & threat protection → Ransomware protection → Manage ransomware protection
    If Controlled folder access is on, either:

    - temporarily turn it off to test, or
    - add UV4.exe / uVision as an allowed app

    Also, try Run as administrator once, only as a diagnostic. If that fixes the problem, the issue, I assume, is definitely permission/policy related rather than project corruption.