Hi BrendaP,
1. Which program are you trying to run?
You may try these steps as well.
Step 1
You can Re-register this file it by typing "regsvr32 comctl32.ocx" from the command line in the system32 directory.
- Click Start
- In the Search bar type CMD
- In the programs pane right click on cmd and "run as an Administrator"
- Put in your credentials for UAC prompt
- In the command prompt type in "regsvr32 comctl32.ocx" then press ENTER.
Step 2
Run a system file checker tool replace corrupt files.
How to use the System File Checker tool to troubleshoot missing or corrupted system files on Windows Vista or on Windows 7
http://support.microsoft.com/kb/929833
Bindu R - Microsoft Support
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