Once the download is complete, follow these steps to install Adobe Acrobat XI Standard:
| Error Code | Description | Solution | |------------|-------------|----------| | 1603 | Fatal error during installation | Run Microsoft Installer CleanUp Utility; remove old Adobe entries | | 150:120 | Invalid serial number | Verify key; Adobe XI blocks keys used on >2 machines | | 1327 | Invalid drive letter | Map system TEMP folder to a valid local drive | | 205 | Adobe Application Manager failure | Manually install AAM 4.0 from Adobe’s legacy FTP | download install adobe acrobat xi standard