No.1 Delete the license file or activation code that Kaspersky has expired and has been blacklisted.
No. 2. Shut down Kaspersky and exit the running status (this is very important ).
No. 3 click "start", click "run", and enter the execution command: "Regedit" -- OK. A registry editor will pop out. (Under "my computer", there will be 5 folders. Click to select 3rd: HKEY_LOCAL_MACHINE to enter the next one.
No. 4: Select 4th:/software/subfolders. A column of subfolders will appear. step 1: Find the kasperskylab/licstorage item and delete it. Step 2: Find Microsoft/cryptography/RNG and delete it. Step 3: Find it: microsoft/systemcertificates/SPC/certificates is also deleted!
The specific operation path is:
Delete HKEY_LOCAL_MACHINE/software/kasperskylab/licstorage
HKEY_LOCAL_MACHINE/software/Microsoft/cryptography/RNG
HKEY_LOCAL_MACHINE/software/Microsoft/systemcertificates/SPC/certificates
No. 5. Run Kaspersky again and select 30-day trial activation. After modification and deletion, you can continue to use it, saving you the trouble of searching for new license files! Wait until it expires and repeat the above steps!
The above method has been introduced, hoping to help you.