The fonts installed on your operating system are not suitable to your Arabic script. For this reason, you have to change the font preferences to suit your type of Arabic. You can change the font of the editing program if you installed Arabic-enabled version of the editor.
For Photoshop users, make sure that the font you installed is not disabled. For example, in this case the default font you have chosen on French Windows is still in your Computer. Please check that using the Show Fonts control or select the font you want to use in the Preferences window. Also note that there may be other fonts in your application folder but this one is selected by default.
In Photoshop CS6 or later, you can also choose fonts directly in the list of the fonts according to the language used in your system. After that, you can either apply it by clicking Install to install the fonts, or choose the font's Show Details option to examine the details on the font, ( or enable it on your system preferences).
Having diacritic, different letters can be found in the Arabic language depends on the names of the letters that the diacritic represents. There are some typed on the Arabic letters which are not included in the alphabet, like the'' (DEGREE SIGN) and the 'ℵ' (ROTATED FOURPOINTED STAR) that represent the degrees and seconds, these diacritics can't be cut and pasted.
Diacritics can be made on the letters by Adobe Photoshop CS6 and later and later and all Arabic interface. The diacritics can be found in the Styles palette, change the value from 0 to 19 (the maximum value) and choose the Modifier letter.
Computer security specialist David Recordon said the Duqu 2.0 and Conficker 2.0 threats, which first hit the Internet in August 2008, were the main threats being used against Windows computers. "The main threat is the Duqu 2.0, which is a malicious program intended for spyware purposes. It originated in China and is usually installed via a Trojan horse," Recordon explained. "Conficker can be installed on an infected machine and spread through the network by using Windows update. The main problem with this infection is that Conficker 2.0 has a lousy anchor notifying the user when a security update is available, so all that is required to avoid infection is regular use of Windows update. These threats are based on the "wormable" concept - simply infect a machine and then spread to other systems. There are two types of wormable threats, so called "worms that spread by means of file encryption and infects a set of computers by using update files." d2c66b5586