oleaut32.dll 无法打开是什么问题啊?

Step 1: Firstly, Run SFC (system file checker) scan to any fix corrupt files
The system file checker (SFC) utility allows administrators to perform a scan of all protected resources to verify that they are the correct version. If SFC should find any incorrect versions in any of these protected resources, SFC will replace them with the correct versions.
You can always run a SFC scan on the windows vista computer. To run a SFC scan follow the steps below:

a) Click on start and in the start search bar type cmd, right click on the command prompt icon in the programs area and then click on run as administrator.
b) At the command prompt type sfc /scannow and then press enter.

Now check if the issue is resolved, if the issue persists

Step 2: Put the computer in clean boot and test
Follow Step 1 in the link below,
How to troubleshoot a problem by performing a clean boot in Windows Vista or in Windows 7
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