Problem In Installation

I just bought BD internet security 2013. Installation fails on Windows 8 with latest updates:

Some files could not be created.

Extracting files to "C:\Program Files\Common Files\Bitdefender\SetupInformation\{34480DEE-54D6-4985-A817-CA30E9BBC94C}" folder

Cannot create additional.dll

Cannot create bdnc.dll

Cannot create bdnc.ini

Cannot create bdmetrics.dll

Cannot create unrar64.dll

Cannot create newauthpublic.pem

Cannot create setuplauncher.exe

Cannot create standalone.xml

Cannot create install_config.xml

Cannot create install_x64.xml

Cannot create gzfltum.dll

Cannot create gzflt.sys

Cannot create htmlayout.dll

Cannot create installer.exe

Cannot create regal.dll

Cannot create trufos.sys

Cannot create bdardrv.dll

Cannot create wslib.dll

Cannot create wsp2p.dll

Cannot create wspack.dll

Cannot create wsutils.dll

Cannot create bd_logo.png

Cannot create lang\en-US.dll

Cannot create core\bdcore.dll

Cannot create core\Plugins\aspy_emu.cvd

Cannot create core\Plugins\ceva_dll.cvd

Cannot create core\Plugins\ceva_emu.cvd

Cannot create core\Plugins\ceva_vfs.cvd

Cannot create core\Plugins\ceva_vfs.ivd

Cannot create core\Plugins\cevakrnl.xmd

Cannot create core\Plugins\gvmscripts.cvd

Cannot create core\Plugins\orice.rvd

Cannot create core\Plugins\xlmrd.cvd

Cannot create core\Plugins\xlmrd.ivd

Cannot create core\Plugins\syscan.xmd

Cannot create core\Plugins\avxdisk.xmd

Cannot create qs_scan_log.xsl

Cannot create bg.png

Cannot create bg_header_image.png

Cannot create big_picture.png

Cannot create top_header_bg.png

Cannot create eula.html

HELP!