Updating time zone
To check for this, export the Time Zones key (HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\Current Version\Time Zones) and compare it to a known unpatched system. In this case check if any Microsoft update package installs correctly. The following problems have been confirmed on patched systems that display the incorrect time: 1.The key can also be manually verified by checking the TZI value under an affected time zone subkey. typedef struct _REG_TZI_FORMAT REG_TZI_FORMAT; The Standard Date and Daylight Date fields can be checked for the old or new DST rules. If other update packages also have problem then there is a problem with the update engine. Client/Server based solutions such as Novell and Altiris may synchronize the client local clock with the server local clock.A symptom you may observe is that if you set the clock to the correct time, it will revert back to the incorrect time within one hour.
Open Windows Registry Editor and navigate to the following registry key: This Special Poll Interval entry specifies the special poll interval in seconds for manual peers. Anand Khanse is the Admin of The Windows Club.com, a 10-year Microsoft MVP Awardee in Windows (2006-16) & a Windows Insider MVP.
After this, it updates a structure in the system that contains this information as well as send out a WM_SYSTEMSETTINGSCHANGE message to running applications The first problem described above seems to be happing during step #3.
Reasons for this failure may be related to security rights (this is still under investigation).
The following problems have been confirmed when installing the DST2007 patch KB931836: 1.
Time Zones registry database was modified before the patch was applied. Disable antivirus software on a test client and see if the install then works. Incomplete registry update from TZEdit or OS patch (usually on Windows 2000). If following the steps from 914387 resolves the problem, this may be the cause of the failure.