There are so many types of computer viruses in this world that removing them and finding a specific solution for each of them is a big ask. One such virus is regsvr.exe classified as a W32.Imaut worm.
What the regsvr.exe virus?
• This worm creates folders and a registry entry to enable its automatic execution at every system startup.
• This worm also creates a scheduled task to enable its automatic execution at a specified date and/or time.
• It also creates Autorun.inf file for its auto execution.
Steps to Fix regsvr.exe error from Startup
Step1:Click on Start menu and click on Run
Step2. Type regedit in the Run dialog to open the registry editor.
Step3. Click on Edit -> Find and search for regsvr.exe
Step 4. Just delete all the occurrences of regsvr.exe virus (do not confuse it with regsvr32.exe which is not a virus).
Step 5. Navigate to entry HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon and modify the entry Shell.
Step 6.Double Click the Shell registry value. You can find “Explorer.exe regsvr.exe” in the Value data field
Step 7: Delete regsvr.exe alone,not Explorer.exe and click OK
N.B.: Make sure that you don’t delete Explorer.exe from the Shell registry.
Step 7: Now the registry has been changed. Closed all programs and restart.
After restart you can find that the message is no longer shown.