As the error message indicates, the problem may be due to a corrupt registry or incorrect permissions to write to the registry. In addition, the problem occurs on computers running Windows 95 when the Setup program tries to add an entry to a registry key and the key will exceed 64K in size as a result. Registry keys are limited to 64K in Windows 95.
When the problem occurs on a Windows 95 computer, it usually happens when Setup tries to add entries to the key below.
Try running the RegClean utility provided by Microsoft.
Alternatively have a look at the Microsoft Knowledge Base article referenced below.
Key:[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\SharedDLLs]
For More Info Visit: http://support.microsoft.com/support/kb/articles/q186/8/97.asp
