Hello,
We are happy to announce the COMODO Backup 4.3.1.22 was released to forum. We have a huge list of fixes & improvements has hundreds of lines 
. Below is just a summary:
What’s new & fixed (compared to 4.2.2.15)
- Deduplication for cbu backups: If you backup files with the same content, the content is backed up only once.
- Improvements in Online Storage: Better upload/download/browsing speed. Both server and client side of Online storage part were rebuilt from scratch. See Comodo Cloud section for more details;
- New setup skin;
- WHQL certified drivers for Windows 8;
- Reduced size of the setup from 36.1 MB to 22.7 MB;
- Some bsods caused by CBreparse.sys;
- Occasional high processor usage for SynchronizationService or COSService;
- Occasional crashes in the user interface;
- Occasional explorer frezes;
- Other minor fixes;
What’s fixed since last BETA (4.3.0.152)
- cDrive occasionaly mounted with invalid letter or with letter A;
- English language displayed multiple times in settings;
- Installing Turkish language which loaded English instead of Turkish;
- Bug reported here: https://forums.comodo.com/empty-t98581.0.html;new;topicseen#msg712673 ;
- Crashes when installing CB 4.3 with Comodo Cloud 2.2;
Known Issues
- Mount online drive may sometimes returns an error;
- Upload and download rate can sometimes fluctuate;
- Issues might be encountered when scheduling tasks and with email notifications;
- On rare occasions the drivers cannot be installed on windows XP and Vista-x64 (cbvd.sys and cbreparse.sys);
- Small GUI issues;
Bug Reports:
Please use this topic to report your bugs. Our moderators collect these bugs and submit them to the devs.
Download Location:
Setup for Windows Vista 32-bit and 64-bit, Windows 2003 Server 32-bit and 64-bit, Windows XP 32-bit and 64-bit, Windows 2008 Server 32-bit and 64-bit, Windows 7 32-bit and 64-bit, Windows 8 32-bit and 64-bit:
Download link 1:
http://download.comodo.com/cbu/download/setups/CB_4.3.1.22_xp_vista_server2003_server2008_win7_win8.exe
Download link 2:
http://download.comodo.com/cbu/download/setups/CB_setup.exe
Setup file size & checksums:
Size: 22.6 MB (23770664 bytes)
MD5: 16EEF282FD25BF28507A95A8A340F4C8
SHA1: F797246CD392F450F43AB5012F2F5803B91C4FB6
Keep up the good work :-TU