Error
When trying to "ZIP" @ file you get the following error: - Unable to complete the operation. Access is denied" may occur and the zip file is not created.
This happens is the user %TEMP% variable isn’t properly set, or the user has no "write" access to their %TEMP% folder. To fix the problem, use these steps.
1. Right-click Computer, click Properties
2. Click Advanced System Settings
3. Click Environment Variables
4. In the User variables for <username>, select TEMP and click Edit
(In case the TEMP variable is missing, you’ll have to create one by clicking the New… button.)
5. Verify that the variable value is set as:
%USERPROFILE%\AppData\Local\Temp
6. Click OK.
7. Logoff and Login back to your user account.
Links
http://www.winhelponline.com/blog/fix-zipped-folder-access-denied-unable-complete-operation/