Avast Free Antivirus blocks printer setup (Kyocera)

Symptom:
When install a printer (e.g. Kyocera Ecosys M6526CDN) on Windows, the installer will be interrupted, but you won't get any error message or explanation.
Avast Free Antivirus blocks the driver setup.
If you disable Avast shields control the error remains.

Solution:
Add to Exeptions the temp directory where to the Avast installer works, or remove Avast temporarily.

You receive an "Error 1327. Invalid Drive" error message when you try to install a software from CD/DVD-ROM

Problem:
You receive an "Error 1327. Invalid Drive" error message when you try to install a software from CD/DVD-ROM.
For example you try to install a software from DVD (e.g. E:\) and you get an error message about G:\.

Solution (e.g. Windows 7):
Computer icon,, right-click
Manage
Storage
Disk Management
CD-ROM (right-click)
Change Drive Letter and Paths (For example on the picture below for G:\)

Backup Your Bootable USB Installer to Image

If you want to create an image backup from your  bootable USB installer (Linux, Windows 7, Windows 8, 32 bit, 64 bit, Home or Ultimate Edition, etc.), you can use this useful little freeware: "USB Image Tool".
You can create backup to an image file, and restore from it to pendrive when you need the specified USB installer again.

USB Image tool download link.
I read about this tool at Tweaking with Vishal.