While Microsoft offered a registry cleaner decades ago, it’s been discontinued and unavailable for a long time. While you can tweak registry items to d3dx9_30.dll add more customization to Windows, it’s not a good idea to go into the registry and poke around if you don’t know what you’re doing. By changing or deleting the wrong keys, you could cause major problems—some errors could even require you to reinstall Windows due to serious damage. After going through the quick definition of Windows registry, it comes down to the quick steps to open the Microsoft registry editor. Let us now move toward the steps to open the Windows registry editor. All of our registry-editing articles show off the entire process, and it’s easy to follow.
- To launch this program you should click on the Start button, then click on the Run option, and in the field type regedit.exe and press the OK button.
- In the new window that opens, click on the System Restore button.
- Keep reading to learn how the Windows registry works, how to back it up, and how an all-in-one PC cleaner can help keep your registry running optimally.
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Select Restore my computer to an earlier time, click Next, select the backup with the name you have created before, and hit Next again. Windows will reboot and restore the Registry and application files you had at the time of the backup creation. The Registry Editor is the official Wiindows utility for editing the registry. To open the Registry Editor, in the Start button’s Search box typeregedit.exe.
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Your operating system relies on drivers to communicate with the hardware to ensure excellent performance. When these drivers become outdated or corrupted, they stop working correctly, triggering freezing and crashing problems on your PC. This gets worse if there are several obsolete drivers on your machine. To prevent this, you should regularly update your device drivers, either manually or automatically. Experts recommend the latter as it’s much easier and reliable, but we will show you how to do both.
For example, when a program is installed, a new subkey containing settings such as a program’s location, its version, and how to start the program, are all added to the Windows Registry. Other than these, there exists a ‘Documents and Settings’ Folder, there is another Registry file stored. This file is stored corresponding to each user of the Computer System. The main function of NTuser.dat file is to store settings or preference specific to the user using the computer. These setting replace the default settings when that particular user logs in. In the newer versions of Windows, the registry files like SAM, Security, Default are stored in a %SystemRoot%\System32\Config\folder. It shows the system of how to work and describes everything with the data in the system.
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Device driver writers find this out relatively early – they cannot use the “abstractions” provided by user mode even if these are sometimes convenient. TotalReg key handlesProcess Explorer key handlesFinally, the WC key is used for Windows Container, internally called Silos.