> For the complete documentation index, see [llms.txt](https://docs.enercalc.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.enercalc.com/sel-faq/using-the-software/general-operation/resolving-enercalc-file-permis.md).

# Resolving ENERCALC File Permissions Errors

How to resolve ENERCALC file permission errors caused by Windows Defender Controlled Folder Access.

ENERCALC says that file access is blocked

We have found instances where **Windows Defender Controlled Folder Access (CFA)** may block ENERCALC from creating or modifying database files stored in the Public Documents folder, which are required for the program to function properly.

Please follow these steps to check if CFA is enabled:

1. Open **Windows Security** from the Start menu.
2. Go to **Virus & threat protection > Manage ransomware protection**.
3. Look for **Controlled folder access**.
4. If it shows **Off**, please contact <support@enercalc.com>. There may be another cause for the issue.

If it shows **On**, continue with the steps below.

1. In the same ransomware protection window, select **Allow an app through Controlled folder access**.
2. Click **Add an allowed app > Browse all apps**.
3. Navigate to the ENERCALC installation folder and select the executable. This is typically located at: C:\Program Files (x86)`\ENERCALC_20\ENERCALC.exe`.
4. Confirm your selection and restart the application.

After completing these steps, ENERCALC should be able to create and modify its database files without interruption. If you still see warning messages or experience issues, please contact <support@enercalc.com>.


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