

In the Value data box, type 1, and then click OK. Right-click the MaxAllowedZone value, and then click Modify.

Type MaxAllowedZone, and then press Enter. Right-click the ItssRestrictions subkey, point to New, and then click DWORD Value.

If this registry subkey does not exist, create it. HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\HTMLHelp\1.x\ItssRestrictions Locate and then click the following subkey: Click Start, click Run, type regedit, and then click OK. If you trust all the computers on your LAN or intranet (and the people using them), you can lower the restrictions on the Local Intranet zone to allow CHM files to be displayed with the following steps:ġ. The security patch and its effects are fully described on Microsoft's web site at The help file will appear, but instead of the topic text you will see an error Microsoft recently released a security patch that makes it impossible to view CHM files that are stored on a network drive (as opposed to CHM files stored on your own computer).
