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In computing, a page fault is an exception that the memory management unit (MMU) raises when a process accesses a memory page without proper preparations. Accessing the page requires a mapping to be added to the process's virtual address space. Furthermore, the actual page contents may need to be loaded from a back-up, e.g. a disk.
Similar displays in the Task Manager of Windows Vista and later have been changed to reflect usage of physical memory. In Task Manager's "Processes" display, each process's contribution to the "total commit charge" is shown in the "VM size" column in Windows XP and Server 2003. The same value is labeled "Commit size" in Windows Vista and later ...
It is required, however, for the boot partition (i.e., the drive containing the Windows directory) to have a page file on it if the system is configured to write either kernel or full memory dumps after a Blue Screen of Death. Windows uses the paging file as temporary storage for the memory dump.
Windows Media Player 7.0 and its successors also came with an wmplayer.exe stub, replacing each other but leaving Media Player and Windows Media Player 6.4 intact. Windows Me and Windows XP is the operating systems to have three different versions of Windows Media Player side by side.
A newer version, 2.0, was included in Windows NT 4.0 SP3 in 1997. [3] Version 3.0 came out mid-1998. [2] The whole product line was renamed Windows Media in October, 1999, four months before Windows 2000 appeared. [2] The NetShow name is still carried on in the user-agent string in current versions of Windows Media Player, which reports as ...
Each guest can be started, paused and stopped independently within its own virtual machine (VM). The user can independently configure each VM and run it under a choice of software-based virtualization or hardware assisted virtualization if the underlying host hardware supports this.
Both unicast and multicast streams are supported (multicast streams also use a proprietary and partially encrypted Windows Media Station (*.nsc) file for use by a player.) Typically, Windows Media Player is used to decode and watch/listen to the streams, but other players are also capable of playing unencrypted Windows Media content (Microsoft ...
Each VM has a separate shadow page table and the hypervisor is in charge of managing them. While shadow page tables are faster than double translation, they are still expensive compared to not running in a virtual machine: every time a guest updates its page tables, it requires the hypervisor to also manage changes in the shadow tables.