Ensure your user account has . If not, click Edit to grant these permissions. 3. Manual Import of Software Packs
The .pdsc file (Pack Description) is an XML-based file that contains critical metadata for a software pack, such as device parameters, source code dependencies, and version history. When the Pack Installer fails to copy this file: Pack Description (*.pdsc) Format - GitHub Pages
This error often occurs when the software tries to move a temporary Pack Description ( .pdsc ) file into the local developer directory but is blocked by Windows security settings or an invalid file path. Core Solutions for "Cannot Copy PDSC File" 1. Run Keil uVision as Administrator cannot copy pdsc file to .download folder
If the automatic downloader continues to fail, you can bypass the .download folder entirely by installing the pack manually:
Go to and select the file you just downloaded. Why This Error Occurs Ensure your user account has
Right-click the folder, select , and go to the Security tab.
The most common cause is that the Pack Installer lacks the write privileges required to modify folders in your C:\Keil_v5 or user profile directory. Close Keil uVision. Manual Import of Software Packs The
If administrative rights don't solve it, the .download folder itself might have restrictive permissions.