To restore WSOCK32.DLL in Windows 95

Click the START MENU|SHUT DOWN choose RESTART IN MS-DOS MODE. 
Type:
EXTRACT /A C:\WINDOWS\OPTIONS\CABS\WIN95_11.CAB WSOCK32.DLL /L C:\WINDOWS\SYSTEM 
or 
Insert your Windows 95 CD-ROM and type:
EXTRACT /A D:\WIN95\WIN95_11.CAB WSOCK32.DLL /L C:\WINDOWS\SYSTEM
Where D: is your CD-ROM drive 
To restore WSOCK32.DLL in Windows 98

Click the START MENU|RUN, type SFC and click OK.
Choose Extract One File from the installation disk 
Type: C:\WINDOWS\SYSTEM\WSOCK32.DLL in the box and click START. 
In the Restore From box type C:\WINDOWS\OPTIONS\CABS or browse the Windows 98 directory on your Windows 98 CD-ROM. This is usually found on the CAB file named "PRECOPY1.CAB" 
Click OK and follow remaining prompts. 
or

Click the START MENU|SHUT DOWN choose RESTART IN MS-DOS MODE. 
Type:
EXTRACT  /A C:\WINDOWS\OPTIONS\CABS\PRECOPY1.CAB WSOCK32.DLL  /L C:\WINDOWS\SYSTEM 
or 
Insert your Windows 98 CD-ROM and type:
EXTRACT /A D:\WIN98\PRECOPY1.CAB  WSOCK32.DLL /L C:\WINDOWS\SYSTEM
Where D: is your CD-ROM drive