when i open simulink on home library is openning but not simulink tab and while using simulink for every click or selecting any block i am getting these errors and warnings in command window

when i open simulink on home library is openning but not simulink tab and while using simulink for every click or selecting any block i am getting these errors and warnings in command window. even though it is running normally but everytime these errors make me diversion from work.

Error using dig.isProductInstalled>getProductNames (line 50)
Java exception occurred:
java.lang.NullPointerException

	at
    com.mathworks.install.InstalledProductFactory.filterProductsWithoutProductNumbers(InstalledProductFactory.java:89)
    
	at
    com.mathworks.install.InstalledProductFactory.access$000(InstalledProductFactory.java:41)
    
	at
    com.mathworks.install.InstalledProductFactory$1.execute(InstalledProductFactory.java:59)
    
	at
    com.mathworks.install.InstalledProductFactory$1.execute(InstalledProductFactory.java:54)
    
	at
    com.mathworks.install.InstalledProductFactory$InstallerWorkSpace.executeTask(InstalledProductFactory.java:237)
    
	at
    com.mathworks.install.InstalledProductFactory$InstallerWorkSpace.access$300(InstalledProductFactory.java:155)
    
	at
    com.mathworks.install.InstalledProductFactory.getInstalledProducts(InstalledProductFactory.java:78)
    

Error in dig.isProductInstalled (line 36)
            productNames = getProductNames;

Error in slSingleSelectionActionConfig
 
Error using dig.isProductInstalled>getProductNames (line 50)
Java exception occurred:
java.lang.NullPointerException

	at
    com.mathworks.install.InstalledProductFactory.filterProductsWithoutProductNumbers(InstalledProductFactory.java:89)
    
	at
    com.mathworks.install.InstalledProductFactory.access$000(InstalledProductFactory.java:41)
    
	at
    com.mathworks.install.InstalledProductFactory$1.execute(InstalledProductFactory.java:59)
    
	at
    com.mathworks.install.InstalledProductFactory$1.execute(InstalledProductFactory.java:54)
    
	at
    com.mathworks.install.InstalledProductFactory$InstallerWorkSpace.executeTask(InstalledProductFactory.java:237)
    
	at
    com.mathworks.install.InstalledProductFactory$InstallerWorkSpace.access$300(InstalledProductFactory.java:155)
    
	at
    com.mathworks.install.InstalledProductFactory.getInstalledProducts(InstalledProductFactory.java:78)
    

Error in dig.isProductInstalled (line 36)
            productNames = getProductNames;

Error in slSingleSelectionActionConfig
 
Warning: Java exception occurred:
java.lang.NullPointerException

	at
    com.mathworks.install.InstalledProductFactory.filterProductsWithoutProductNumbers(InstalledProductFactory.java:89)
    
	at
    com.mathworks.install.InstalledProductFactory.access$000(InstalledProductFactory.java:41)
    
	at
    com.mathworks.install.InstalledProductFactory$1.execute(InstalledProductFactory.java:59)
    
	at
    com.mathworks.install.InstalledProductFactory$1.execute(InstalledProductFactory.java:54)
    
	at
    com.mathworks.install.InstalledProductFactory$InstallerWorkSpace.executeTask(InstalledProductFactory.java:237)
    
	at
    com.mathworks.install.InstalledProductFactory$InstallerWorkSpace.access$300(InstalledProductFactory.java:155)
    
	at
    com.mathworks.install.InstalledProductFactory.getInstalledProducts(InstalledProductFactory.java:78) 
> In sltemplate.ui.StartPage/showWithFallback
  In sltemplate.ui.StartPage.show 
>>