Yes you should see a install screen.
Let's cleanup your temp folder.
1. Hold down the Windows Logo key on the keyboard and the 'R' to open the run box, type %temp%
2. Look for, and open the folder starting with 7z (Example: 7zS2356)
3. Open folder Util
4. Open folder CCC
5. If you have an HP computer run the L3uninstall.exe . If you have a non-HP computer run the L4uninstall.exe
6. When the uninstall has completed restart the computer
7. Follow these steps to reset the registry settings and options for Windows Installer.
8. Click Start , and then click Run .
9. In the Open box, type msiexec /unreg, and then click OK .
10. Click Start , and then click Run .
11. In the Open box, type msiexec /regserver, and then click OK
12. Run Disk cleanup from Accessories\ System Tools
13. Download and install the latest version of Adobe flash player http://www.adobe.com/support/flashplayer/downloads .html
14. Restart the computer