Category: Windows Technologies

No Mixed 64-Bit/32-Bit Processes 64-bit programs cannot load and call 32-bit MDAC. 64-bit Microsoft Internet Explorer cannot load 32-bit ActiveX controls. The 64-bit shell cannot load 32-bit Inproc shell extensions. 32-bit installer programs cannot load and register 64-bit DLLs. Back to the top No 16-Bit Code No 16-bit code can run, except for recognized InstallShield and Acme installers (these are hard-coded in Wow64 to allow them to work). 16-bit Setup bootstraps are not supported. 16-bit MS-DOS and Microsoft Windows 3.x utilities will not start. If you attempt to start such a program, you receive a "Program.exe is not a valid […]

Description of the registry The Microsoft Computer Dictionary, Fifth Edition, defines the registry as: A central hierarchical database used in Microsoft Windows 98, Windows CE, Windows NT, and Windows 2000 used to store information that is necessary to configure the system for one or more users, applications and hardware devices. The Registry contains information that Windows continually references during operation, such as profiles for each user, the applications installed on the computer and the types of documents that each can create, property sheet settings for folders and application icons, what hardware exists on the system, and the ports that are […]

%systemdrive% is defined as the disk drive that contains the Windows directory. There are various reasons why you may want to relocate the Users directory or the ProgramData directory to other disk drives. For Windows Vista, the most common reasons are as follows: It is easier to back up data from a single drive and from a drive that contains only user files. It is easier to rebuild the operating system disk drive on a user’s computer if user data is located on a separate volume. In this case, the drive that contains the Windows directory can be formatted, and […]