How to fix bluestack already installed error?

You may find the answer in the thread:

... for "Software" find bluestack and delete. Then Install bluestacks again That will definitely ...   more
Yo honestly it doesn't even pop up in there but when I try to download it again says "Latest version of bluestacks already installed   more
I have done that and it still tell me 'DOWNGRADE' the latest version already installed. please help   more
done all the above, and still get that message, looks like a fresh install of windows lol   more
Nice tutorial. Thanks i solved my problem.   more
had the same problem. Try uninstalling by going to : control panel>programs>uninstall program>bluestacks   more
thanks for solution......its work perfectly..............thank you so much.....   more
... WHICH IS I ALREDY INSTALL THE BLUESTACKS APP IN MY PC ... LISTED 4. RIGHT CLICK ON FILES BLUESTACK AND CHOOSE UNINSTALL 5. AND ... NEXT INSTRUCTION GIVEN 6. TRY TO INSTALL AGAIN BLUESTACK, AND U CAN USE IT ...   more
... from above and i guess all bluestacks files are deleted but some ... remained such as app player installation assistant, bluestacks app.player.sd.en ... .softonic.com and bluestacks user logs... no matter ...   more
this registry thing worked perfectly on my machine. Thanks a lot   more
cmd--regedit-----locate HKEYLOCALMACHINE click and look for "Software" find bluestack and delete. Then Install bluestacks again--------works 100%-great   more
You might be only uninstalled blue stack app you have to uninstall notification center also then it will definitely work.   more
thanks for solution......its work perfectly..............   more
... will see leftover items of Bluestacks, click Select All and click ...   more
Open Task manager and find any process running related to bluestacks, if any kill them and try again, try by admin login.   more
Juzz delete all files from c drive.then try   more
do as above and go to local c:/ and program files and program data search for blue stacks and delete them and use windows cleanup and download blue stacks again and install have fun   more
I FOLLOWED THIS " locate HKEYLOCALMACHINE click and look for "Software" find bluestack and delete." but its showing "can not delete bluestacks: error while deleting key" :( now what else can be done?   more
Can't install Bluestacks. Error is: "error:50"   more
... for "Software" find bluestack and delete. Then Install bluestacks again That will definitely ...   more
If you can't install Bluestacks, it's most likely that there ... kill it, then you can install Bluestacks.   more

67.1k questions

75.8k answers

1.8k comments

4m users

...