Windows 7 MSVCR80 Dll

In Microsoft Office 2007 software, MS Office PowerPoint and MS Office Outlook may stop working and display an error that the MSVCR80.dll file, which is required to run the applications, could not be found. Windows 7 users can follow these steps to resolve the issue on your own.

Troubleshooting Guidelines:

Re-register the DLL file
Fix problems in the Windows registry
Change LoadBehaviour registry value
Uninstall recent Office updates
Clean temporary files

Re-register the DLL file

Each DLL file is registered in the Windows Registry so that the corresponding programs can function properly. If the registry information of the DLLs is missing or invalid then you might be facing errors like Windows 7 MSVCR80.dll.

Click Start.
Click All Programs | Accessories.
Right-click Command Prompt and select Run as administrator.
Type the following command and press ENTER:
regsvr32 “MSVCR80.dll

After the DLL registration procedure is complete, close Command Prompt by typing Exit and pressing ENTER.

Troubleshoot the registry

Broken registry entries in the shared DLL files section and Microsoft Office registry locations can cause Windows 7 MSVCR80.dll error. To fix the problem, perform the following procedure:

Download registry cleaning software
Check the Shared DLL box as checked.
Click the Start Scan button.
Click the Fix Now button.

Change LoadBehaviour registry value

This step is required only for Acer computers. Users using an Acer computer should ensure that a registry entry called LoadBehavior contains only the value 0. The steps required are as follows:

Click Start.
Type RegEdit and press ENTER.
Navigate to the following registry location:
HKEY_LOCAL_MACHINESOFTWAREMicrosoftOfficeOutlookOAddin.Addin
Double click on the string called LoadBehaviour and change its value to 0.
Press ENTER or click OK.
Close Registry Editor and restart the faulty MS Office system program.

Uninstall recent Office updates

Microsoft Office updates can be downloaded and installed indirectly through the Windows Update utility. Uninstalling recent Office updates will fix Windows 7 MSVCR80.dll.

Click Start.
Click All Programs | Windows update.
On the bottom left screen, click a link called Installed Updates.
Select a recently installed Office update and click Uninstall. Examples include the following:
has. Security Update for Microsoft Office System 2007 (KB969618)
b. Security Update for Microsoft Office System 2007 (KB972581)
against Security Update for PowerPoint Viewer 2007 (KB970059)

Close Windows Update after the process is complete and restart your computer.

Clean temporary files

Deleting the temporary files and making the temporary directories empty would help to resolve the MSVCR80.dll Windows 7 error. You can take the help of a System Cleaner software or else use Disk CleanUp by following the instructions below:

Click Start.
Click All Programs | Accessories | System tools | Disk cleanup.
Select the system partition, for example, drive C.
Press ENTER.
Follow the simple instructions on your screen.