Do one of the following solutions: Solution 1: Temporarily disable simple file sharing and change permissions. (Windows 2000 and XP Pro). Disable simple file sharing (Windows XP Pro only) and change the permissions for the All Users folder. Then install Acrobat. After installing Acrobat, reenable simple file sharing. To temporarily disable simple file sharing and change permissions: 1. Log in as an administrator. 2. If you use Windows XP Pro, disable simple file sharing (if you use Windows 2000, this step is not necessary): a. Choose Start > My Computer. b. Choose Tools > Folder Options, and then click the View tab. c. In the Advanced Settings section, deselect Use Simple File Sharing (Recommended), and click OK. 3. In Windows Explorer, open the Documents and Settings folder. 4. Right-click the All Users folder, and then choose Properties. 5. Click the Security tab. 6. Click Administrators in the User list. If Full Control is not selected in the Permissions list, change the access control leve (more...)