Šiandieninė klausimų ir atsakymų sesija pateikiama su "SuperUser" - "Stack Exchange", bendruomenės valdoma Q & A grupių asociacija.
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Klausimas
"SuperUser" skaitytuvas "SkYWAGz" nori žinoti, kas atsitiks, jei ištrintas visas "Windows" registras:
I have been wondering what would happen if I deleted the entire Windows registry (using the following code for instance). Would my PC stop working?
- cd %TMP%
- reg query HKCR> RegTest.txt
- reg query HKCU>> RegTest.txt
- reg query HKLM>> RegTest.txt
- reg query HKU>> RegTest.txt
- reg query HKCC>> RegTest.txt
- @pause && cls
- for /f “delims=” %%I in (RegTest.txt) do reg delete “%%I” /va /f
Kas atsitinka, jei ištrinamas visas "Windows" registras?
Atsakymas
"SuperUser" autoriai Daniel B ir StW atsakė už mus. Pirma, Daniel B:
You cannot delete the root nodes since they do not physically exist. You can, however, delete their contents via Regedit (as opposed to reg).
Regedit hangs as soon as I try to delete HKLMSYSTEM. After resetting the VM (because I am lazy), I get the following screen (the operating system is Windows XP):
So yes, deleting stuff from the registry will absolutely positively kill Windows. And unless you have a backup, restoring it is impossible.
Po StW atsakymu:
Windows stores a lot of critical information in the registry, which is loaded (at least a part of it) during an early stage while booting. If you remove this information, Windows will be unable to find and load critical system files and thus be unable to boot.
Such critical information is the list of device drivers needed for booting the system. This may include:
- Disk drivers (Floppies, Hard-Disks, CDs, USB Devices, …)
- Bus drivers (IDE, SATA AHCI, …)
- File system drivers (FAT, NTFS, …)
- …
However, by default Windows stores a backup copy of the registry. If you have enabled System Restore, you can find such copies in the (hidden) System Volume Information Folder inside the root folder of the system partition. Additionally, even if you do not have System Restore enabled, Windows saves a backup copy of the registry in %WINDIR%System32configRegBack.
You can manually copy the backup files into %WINDIR%System32config to restore the registry data.
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