Hello Bob,
Welcome to Microsoft Community Forum.
Usually this Microsoft.VC90.CRT error occurs due to corruption in Windows installer or .Net framework Please do not worry I will try my best to resolve it.
However I would require some more information to assist you better.
1. When exactly do you receive this error message?
2. Do you remember making any changes to the system prior to this issue?
Free Download microsoft.vc80.crt.manifest to your computer. Copy the file to the install directory of the program that missing the file. If that doesn't work. You have to move the file to the system directory.
I would suggest you to try the following methods:
Method 1:
Refer the below link to download and install the latest version of Microsoft Visual C++ 2008 Redistributable and check.
Microsoft Visual C++ 2008 SP1 Redistributable Package (x64)
Method 2:
Check if the Windows installer service is running on the computer and is set to manual and service is started.
a) Click Start menu in the search box type services.msc and then press Enter.
b) In the Services (Local) list, right-click Windows Installer, and then click Properties.
c) If the Startup type drop-down list is set to a value of Disable, select the Manual option from the Startup type drop-down list, and then click OK.
d) Click the File menu, and then click Exit.
Method 3:
If the above step fails then reinstall .Net framework on the computer and check.
To turn Windows features on or off, follow these steps:
a) Click the Start button, click Control Panel, click Programs, and then click Turn Windows features on or off. If you're prompted for an administrator password or confirmation, type the password or provide confirmation.
Microsoft_vc90_crt_x86.msi Download
b) To turn a Windows feature off, then uncheck box next to Microsoft .NET Framework 3.5.1.
c) Later click on Ok and restart the computer.
d) After the restart open Turn Windows features on or off again and to turn a Windows feature on, check box next to Microsoft .NET Framework 3.5.1.
Microsoft Visual C++ 2008 Redistributable …
e) Later click on Ok and restart the computer.
Microsoft Visual C++ 2008 Sp1 Redistributa…
Additional information:
Microsoft Vc90 Crt Download
Turn Windows features on or off
Microsoft Vc90 Mfc Download
Microsoft .NET Framework Repair Tool
Microsoft_vc90_crt_x86.msm Download
Hope the information helps. Let us know if you need further assistance with Windows related issues. We will be happy to help.
Thank you