Troubleshoot:Cannot open any microsft documents because the Windows installer service could not be accessed

Cannot open any microsft documents because the Windows installer service could not be accessed

I cannot open microsoft outlook or any office documents: The following message appears "The windows installer service could not be accessed.
This can occur if you are running windows in safe mode, or if the Windows installer is not correctly installed.
Contact your support personnel for assistance"

Solutions to the Problem Cannot open any microsft documents because the Windows installer service could not be accessed

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Try downloading and installing Windows installer from
 
http://www.microsoft.com/downloads/en/details.aspx?FamilyId=5A58B56F-60B6-4412-95B9-54D056D6F9F4&displaylang=en
 
The version you need for XP is the bottom one of those listed.
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I cannot open microsoft outlook or any office documents: The following message appears "The windows installer service could not be accessed.
This can occur if you are running windows in safe mode, or if the Windows installer is not correctly installed.
Contact
your support personnel for assistance"

Use the System File Checker tool to repair corrupted or missing system files:

1. Click Start.
2. Type cmd, and then press CTRL+SHIFT+ENTER to open the elevated command prompt (I.e. Command prompt with administrative rights).
3. The User Account Control window should appear, be sure that the action it exhibits is correct, and then press the Continue button.
4. Type or copy paste the below command line into it without quotes:
5. "Sfc /scannow"

Recommended Method to Repair the Problem: Cannot open any microsft documents because the Windows installer service could not be accessed:

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1. You can Download SmartPCFixer here. Install it on your computer. When you open SmartPCFixer, it will perform a scan.

2. After the scan is done, you can see the errors and problems need to be repaired. Click Fix All.

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