How to fix the gmail certificate in crome browser

1. Click Start , type regedit in the Start Search box, and then press ENTER.
2. Locate and then click the following registry subkey:
   HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl
3. On the Edit menu, point to New , and then click Key.
4. Type the following key name, and then press ENTER:
   FEATURE_ERROR_PAGE_BYPASS_ZONE_CHECK_FOR_HTTPS_KB954312
5. On the Edit menu, point to New , and then click DWORD Value.
6. Type iexplore.exe , and then press ENTER.
7. On the Edit menu, click Modify.
8. Type 1 , and then click OK.
9. Exit Registry Editor.