C:\Windows\system32\SensApi.dll does not work on windows or it has an error

I keep getting this error message when i try to install live messenger. Any help would be great
Answer
Answer
Hi,

Welcome to Microsoft Answers community.

Sensapi.dll is the System Event Notification Service dll file. Let’s perform SFC scan and try to fix the corrupted system files.
Try and use the System File Checker tool (SFC.exe) to check and fix system corrupted files.  To do this, follow these steps:

Steps to perform SFC scan

1. Click the Start button

2. From the Start Menu, Click All programs followed by Accessories

3. In the Accessories menu, Right Click on the Command Prompt option

4. From the drop down menu that appears, Click on the 'Run as administrator' option

5. If you have the User Account Control (UAC) enabled you will be asked for authorization prior to the command prompt opening. You may simply need to press the Continue button if you are the administrator or insert the administrator password etc.

6. In the Command prompt window, type: sfc /scannow and then press Enter

7. A message will appear stating that 'the system scan will begin'

8. Be patient because the scan may take some time

 

9. If any files need any replacement SFC will replace them. You may be asked to insert your Vista DVD for this process to continue

10. If everything is okay you should, after the scan, see the following message "Windows resource protection did not find any integrity violations"

11. After the scan has completed, Close the command prompt window restart the computer and check.

Refer the link below for more information.

http://support.microsoft.com/kb/936212   


Run a Virus scan using online live one care utility.

http://onecare.live.com/site/en-us/default.htm        

http://www.microsoft.com/Security_Essentials/   

Follow the steps mentioned in the link below as well

How to get rid of malware.

http://social.answers.microsoft.com/Forums/en-US/vistasecurity/thread/ba80504b-61f1-4d71-960f-b561798b7b42      

I would also recommend you to post your query in Windows live messenger forums as well.

http://social.microsoft.com/Forums/en-US/windowslivemessengerfr/threads

 

Let us know if this helps

Regards
Sreekanth.


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Last updated June 29, 2020 Views 12,533 Applies to: