How to Fix Winupd.dll

1. Log on to your computer with an account that has administrative privileges.
2. Open the Start menu and click the 'Search' button.
3. Choose to search all files and folders, and then enter 'winupd.dll' into the search box and press 'Enter.'
4. Note the path of the winupd.dll file by writing it down or copying it into a word processing document.
5. Open the 'Start' menu again, click the 'Run' button and type 'cmd' into the text box. Hit 'OK' to launch the command prompt window.
6. Navigate to the location of the winupd.dll file using the 'cd' command, which stands for 'change directory.'
7. Type 'regsvr32 /u [winupd.dll]' into the command prompt window and hit the 'Enter' key to unregister the corrupted file.
8. Go to the location of the winupd.dll file in a Windows Explorer window and delete the file.