I get an error message that the device, path, or file cannot be found or the permissions do not allow that operation or something to that effect. It appears every time a program like Adobe, Firefox, or Quickbooks goes through a software update cycle, they will no longer launch. Original title: Programs will not launch in Windows 7 I am running Windows 7 Ultimate. On a client computer, click Start, click All Programs. Step 3: Installing and configuring the Application Catalog site system roles. I recently got to install Windows 7 and had yet to find out that the Siemens software suite doesn't install anymore. We use Siemens Step7 and SCL for PLC programming in our company.