Full format name of files that use SIS.DM extension is Ovi Store DRM-Protected Application. Nokia defined the Ovi Store DRM-Protected Application format standard. Files with SIS.DM extension may be used by programs distributed for platform. Files with SIS.DM extension are categorized as Misc Files files. The Misc Files subset comprises 6033 various file formats. Nokia Ovi Suite supports SIS.DM files and is the most frequently used program to handle such files, yet 3 other tools may also be used.
Files with SIS.DM extension, just like any other file formats, can be found on any operating system. The files in question may be transferred to other devices, be it mobile or stationary, yet not all systems may be capable of properly handling such files.
There can be multiple causes why you have problems with opening SIS.DM files on given system. Fortunately, most common problems with SIS.DM files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. The following is a list of guidelines that will help you identify and solve file-related problems.
The most common reason for such problems is the lack of proper applications that supports SIS.DM files installed on the system. This issue can be addressed by downloading and installing Nokia Ovi Suite or different compatible program, such as Opera. The full list of programs grouped by operating systems can be found above. If you want to download Nokia Ovi Suite installer in the most secured manner, we suggest you visit website and download from their official repositories.
If you already have Nokia Ovi Suite installed on your systems and SIS.DM files are still not opened properly, check if you have the latest version of the software. It may also happen that software creators by updating their applications add compatibility with other, newer file formats. The reason that Nokia Ovi Suite cannot handle files with SIS.DM may be that the software is outdated. All of the file formats that were handled just fine by the previous versions of given program should be also possible to open using Nokia Ovi Suite.
If you have the latest version of Nokia Ovi Suite installed and the problem persists, select it as the default program to be used to manage SIS.DM on your device. The method is quite simple and varies little across operating systems.
The procedure to change the default program in Windows
The procedure to change the default program in Mac OS
If you followed the instructions form the previous steps yet the issue is still not solved, you should verify the SIS.DM file in question. Problems with opening the file may arise due to various reasons.
Should it happed that the SIS.DM is infected with a virus, this may be that cause that prevents you from accessing it. Scan the SIS.DM file as well as your computer for malware or viruses. If the SIS.DM file is indeed infected follow the instructions below.
If the SIS.DM file was sent to you by someone else, ask this person to resend the file to you. The file might have been copied erroneously and the data lost integrity, which precludes from accessing the file. It could happen the the download process of file with SIS.DM extension was interrupted and the file data is defective. Download the file again from the same source.
There is a possibility that the file in question can only be accessed by users with sufficient system privileges. Log out of your current account and log in to an account with sufficient access privileges. Then open the Ovi Store DRM-Protected Application file.
The operating systems may note enough free resources to run the application that support SIS.DM files. Close all running programs and try opening the SIS.DM file.
Regularly updated system, drivers, and programs keep your computer secure. This may also prevent problems with Ovi Store DRM-Protected Application files. It is possible that one of the available system or driver updates may solve the problems with SIS.DM files affecting older versions of given software.
If you have additional information about the SIS.DM file, we will be grateful if you share it with our users. To do this, use the form here and send us your information on SIS.DM file.