Solution to Windows XP Hal. dll file corruption

Hal. dll file description:
DLL name: Microsoft Windows Hardware release action layer DLL
Hal. dll is a Windows Hardware extraction layer module used to solve hardware complexity.
Microsoft Windows Operating System
System DLL file: Yes
Common Errors: file not found, missing file, exception errors

Solution:
First, find an XP installation disc with the CD boot function.
2. Set BLOS to start from the CD.
3. log on to the console for repair and select R from the main installation interface.
4. Select the Windows system to enter and enter the initial administrator password.
5. Run the bootcfg command to add a startup Item: bootcfg/Add
Sixth, set a default start item for the bootcfg command: bootcfg/Default

Finished !!!!!!! It takes 20 minutes!