Resolve Control Center loading issues
Issue
Cached stored data may prevent Control Center from loading. To resolve this issue, you may need to manually clear your browser’s cache.
Solution
In the list below, you can find links with instructions for clearing the cache of some common browsers:
For Internet Explorer refer to How to delete the contents of the Temporary Internet Files folder
For Mozilla Firefox refer How to clear the Firefox cache
For Google Chrome refer to Clear browsing data
For Opera refer to Browser behavior
After you clear your browser’s cache, try to log in to Control Center.