How to Fix Silverlight Crashes

Method 1 of 9:

Uninstall and reinstall the Microsoft Silverlight plug-in. The plug-in might not be completely installed. It is also possible that the plug-in component files are corrupted. Reinstalling the plug-in will resolve this issue.
Press Windows Key + X.
Select Programs and Features.
Right click the Microsoft Silverlight plug-in, select the Uninstall option.
Follow the removal wizard. Reboot your PC when you're done.

Method 2 of 9:

Keep your browser up-to-date. The latest version will come up with bug fixes that might help you deal with Silverlight crashes. Here are the steps to download the latest version of Internet Explorer:
Click the Start button.
Type 'Windows Update' in the Search Box. Press ENTER.
Click 'Check for updates' button. The update check-up process may take some time. After the process is completed, check-up all the updates including Microsoft Internet Explorer updates. Download and install the updates.
Reboot your system.

Method 3 of 9:

Remove the browser cache contents periodically. Cache is a location that stores your most frequently accessed web pages copies. The cache may become corrupt over a period of time. Deleting the same will be helpful.
Press Windows Key + R.
Type "inetcpl.cpl." Click OK. Internet Options dialog will open.
Click the General tab.
Click the Delete button under Browsing History category. When you're prompted to confirm in a subsequent prompt, check-up all the checkboxes and then click the Delete button.

Method 4 of 9:

Whitelist the website that is causing trouble. Basically, the Whitelist is a list of all those websites added by the users which will not be blocked for any kind of content, such as, scripts. Adding the Silverlight-based website to the whitelist will prevent further crashes.
Delete the cache.
Click the Security tab in the Internet Properties dialog.
Click the Trusted Sites icon.
Click the Sites button.
Specify the full address of the website you would like to add.
Click the Add button, and then click Close | Apply | OK.

Method 5 of 9:

Scan the Registry for problems pertaining with the Microsoft Silverlight plug-in. The plug-in entries are found in the Registry. These entries are accessed, and modified while you're browsing the Internet. Check the Registry for all sorts of issues and clean them up immediately.
Download the Reginout System Utilities software.
Install and open the program.
Start the Registry scan process. This may take some time.
Fix all issues detected in your system configurations database.

Method 6 of 9:

Understand what the MSPR.HDS is. The MSPR.HDS is a part of the PlayReady package from the Microsoft. The file may be corrupt. Instead of deleting the file, simply rename it with a new name.
Double click on the Computer icon.
Open the following folder: C:ProgramDataMicrosoftPlayReady
Rename the 'MSPR.HDS' file as 'MSPR.HDS.BAK'.

Method 7 of 9:

Understand what the hardware acceleration is. This is the use of computer hardware to speed up certain tasks. Disable the hardware acceleration to stop Silverlight crashes.
Open Mozilla Firefox.
Press the Alt key to show the menu bar.
Click Tools menu, select Options.
Options dialog will open. Click the Advanced tab.
Click the General tab.
Uncheck the box named 'Use hardware acceleration when available' under Browsing frame.
Click the OK button.

Method 8 of 9:

Go to the Plugins list page, and deactivate-reactivate the Microsoft Silverlight plug-in. The plugin may be not functioning properly.
Type 'about:plugins' in the Address Bar.
Press ENTER key.
Disable the plugin and enable it again.

Method 9 of 9:

Open the Services manager program in Windows. Make sure a service named Tablet PC Input Service runs automatically at Windows startup. If it is not configured to run automatically, set it up accordingly and restart the service.
Press Windows Key + R.
Type 'Services.msc.' Click OK.
Right click Tablet PC Input Service, select Properties.
Set the Startup Type=> Automatic.
Click the 'Start' button to execute the service.
Click Apply, and then OK.