Because the Windows Defender will automatically be enabled when you start repairing or restarting the Avast antivirus. If you are worried about the security of your computer, you needn’t fret. The following techniques are some of the suggested solutions to use when the Avast antivirus utility fails to start on your computer.
Solutions To The Avast Won’t Open Issues On Your Windows PC Restarting the application or reinstalling it can help you fix the issue. If you have noticed some bugs or errors related to the functioning of the Avast antivirus tool, there are chances for the Avast antivirus to not launch on your computer or cause other problems. Make sure the Avast antivirus setup completes without any interruptions or system shutdowns.
If the install wizard does not roll back the broken Avast installation, you will still have these files, which are quite useless when incomplete. You may not be able to use the application if the application is not installed. When you install the antivirus or any application for this matter, you have to make sure that the installation is complete, before you close the installation wizard.
This deletes the AVAST Software registry key and also the link from the HKEY_LOCAL_MACHINE\Software and HKEY_LOCAL_MACHINE\WOW6432Node\Software registry locations.4.4 How Do I Open Avast? Why Do I Face The Avast Won’t Open Problem On My Windows 10 PC? Regln -d "HKLM\Software\WOW6432Node\AVAST Software" is an existing registry key being linked to
The regln: Windows Registry Linking Utility can create or delete reparse points in the registry. To create a reparse point manually, use this command-line syntax: AvRegLink.exe create LinkKey TargetKey Method 3: Using the regln tool If, the WOW6432Node\AVAST Software key is the reparse point itself (32bit vs 64-bit Windows), which points to the key Software\AVAST Software, then you’ll need to run this command instead: AvRegLink.exe delete "SOFTWARE\WOW6432Node\AVAST Software" Additional Tips:īefore deleting the reparse point, if you want to query the reparse point to know where it’s pointing to, use this command-line: AvRegLink.exe query "SOFTWARE\AVAST Software"ĪvRegLink.exe query "SOFTWARE\WOW6432Node\AVAST Software" Once downloaded, open admin Command Prompt and run the following command: AvRegLink.exe delete "SOFTWARE\AVAST Software" This tool can be downloaded from the following URL: Method 2: Use AvRegLink.exe from Avast SoftwareĪvast software has a tool named AvRegLink.exe which can create, query or delete reparse points in the registry. Important Note: If, the WOW6432Node\AVAST Software key is the reparse point itself (32bit vs 64-bit Windows) which can’t be opened, and points to the key Software\AVAST Software, then you’ll need to create the target key ( HKLM\Software\AVAST Software) key manually before deleting the reparse point. This deletes the linked key as well as the reparse point in one go. Then, go to the following key in the Registry Editor and delete it: HKEY_LOCAL_MACHINE\Software\AVAST Software.HKEY_LOCAL_MACHINE\Software\WOW6432Node\Īlternately, run the following command from an admin Command Prompt window to create the key manually on a Windows 64-bit system: reg add "HKLM\Software\AVAST Software" /reg:32 Create the AVAST Software key under the WOW6432Node key below.Start the Registry Editor ( regedit.exe).
To successfully remove the AVAST Software reparse point, first, manually create the missing target key. Fix: Can’t delete Avast Software Registry Key Method 1: Create AVAST Software key under WOW6432Node manually However, once I knew it’s only a reparse point, the fix turned out to be very simple you don’t need to tinker with the registry key permissions or ownership. On Windows 32-bit systems, the reparse point and the target key paths are reversed. Later I realized that the HKEY_LOCAL_MACHINE\Software\AVAST Software is a reparse point or registry link that links to the following key on Windows 64-bit systems: HKEY_LOCAL_MACHINE\Software\WOW6432Node\AVAST Softwareīut, since the Avast uninstaller had wiped out the above key, the reparse point still remains but is orphaned. The same error can occur for AVG antivirus users. I tried running Sysinternals RegDelNull to nuke the keys, but that didn’t help. When I opened the Properties of the AVAST Software key, the Security tab was blank, showing the message: The requested security information is either unavailable or can’t be displayed. An error is preventing this key from being opened.ĭetails: The system cannot find the file specified.