# Can't open UE4 launcher after installation **URL:** \ **Category:** Getting Started & Setup\ **Tags:** launcher, unreal-engine, Installation, question\ **Created:** [March 12, 2015, 9:36am UTC](https://forums.unrealengine.com/t/cant-open-ue4-launcher-after-installation/310619 "2015-03-12T09:36:34Z")\ **Posts on this page:** 13\ **Page:** 1
**Author:** ![Wasir](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Wasir](https://forums.unrealengine.com/u/Wasir)\ **Post date:** [March 12, 2015, 9:36am UTC](https://forums.unrealengine.com/t/cant-open-ue4-launcher-after-installation/310619/1 "2015-03-12T09:36:34Z")
I have Installed UR4 . There was no error during installation. But after installation i can not open epic games launcher . Nothing show after clicking the installation. Please help me . Thanks in Advance ---
**Author:** ![Arcandoom](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Arcandoom](https://forums.unrealengine.com/u/Arcandoom)\ **Post date:** [March 12, 2015, 9:43am UTC](https://forums.unrealengine.com/t/cant-open-ue4-launcher-after-installation/310619/2 "2015-03-12T09:43:57Z")
Hellow What is your operating system and x86 or x64? Write the full path to the file launcher My path “D:\Games\UT\Epic Games\Launcher\Engine\Binaries\Win64\EpicGamesLauncher.exe” ---
**Author:** ![Wasir](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Wasir](https://forums.unrealengine.com/u/Wasir)\ **Post date:** [March 12, 2015, 9:46am UTC](https://forums.unrealengine.com/t/cant-open-ue4-launcher-after-installation/310619/3 "2015-03-12T09:46:32Z")
Thanks for your reply My operating system is Windows 7 , ultimate , 64 bit. path is : “C:\Program Files\Epic Games\Launcher\Engine\Binaries\Win64\EpicGamesLauncher.exe” ---
**Author:** ![Arcandoom](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Arcandoom](https://forums.unrealengine.com/u/Arcandoom)\ **Post date:** [March 12, 2015, 9:56am UTC](https://forums.unrealengine.com/t/cant-open-ue4-launcher-after-installation/310619/4 "2015-03-12T09:56:19Z")
Try to update Microsoft .NET Framework Have you used this PC UE4? ---
**Author:** ![Wasir](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Wasir](https://forums.unrealengine.com/u/Wasir)\ **Post date:** [March 12, 2015, 10:02am UTC](https://forums.unrealengine.com/t/cant-open-ue4-launcher-after-installation/310619/5 "2015-03-12T10:02:27Z")
no , I did not use UE4 before this pc . ---
**Author:** ![Arcandoom](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Arcandoom](https://forums.unrealengine.com/u/Arcandoom)\ **Post date:** [March 12, 2015, 10:12am UTC](https://forums.unrealengine.com/t/cant-open-ue4-launcher-after-installation/310619/6 "2015-03-12T10:12:09Z")
Can antivirus or firewall to block? Try to run the launcher from the administrator Try to run the same launcher in safe mode ---
**Author:** ![Wasir](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Wasir](https://forums.unrealengine.com/u/Wasir)\ **Post date:** [March 12, 2015, 10:15am UTC](https://forums.unrealengine.com/t/cant-open-ue4-launcher-after-installation/310619/7 "2015-03-12T10:15:51Z")
No antivirus installed and firewall also disable. I try to open from administrator. But did not try from safe mode. I will try that Thanks ---
**Author:** ![Wasir](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Wasir](https://forums.unrealengine.com/u/Wasir)\ **Post date:** [March 12, 2015, 10:50am UTC](https://forums.unrealengine.com/t/cant-open-ue4-launcher-after-installation/310619/8 "2015-03-12T10:50:59Z")
Hi I test in safe mode in my machine. But still not working. ---
**Author:** ![Arcandoom](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Arcandoom](https://forums.unrealengine.com/u/Arcandoom)\ **Post date:** [March 12, 2015, 11:18am UTC](https://forums.unrealengine.com/t/cant-open-ue4-launcher-after-installation/310619/9 "2015-03-12T11:18:15Z")
try running these applications. update Microsoft .NET Framework? update directX? ![33813-launcher.jpg](https://d3kjluh73b9h9o.cloudfront.net/original/4X/d/8/d/d8d817644cf344eb73c0618d2cfea35b1ffb4bc1.jpeg) ---
**Author:** ![Wasir](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Wasir](https://forums.unrealengine.com/u/Wasir)\ **Post date:** [March 12, 2015, 11:20am UTC](https://forums.unrealengine.com/t/cant-open-ue4-launcher-after-installation/310619/10 "2015-03-12T11:20:38Z")
okay thanks bro, I will let you know ---
**Author:** ![TJ\_V](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/tj_v/32/1008648_2.png) [@TJ\_V](https://forums.unrealengine.com/u/TJ_V)\ **Post date:** [March 13, 2015, 4:12pm UTC](https://forums.unrealengine.com/t/cant-open-ue4-launcher-after-installation/310619/11 "2015-03-13T16:12:06Z")
Hi Wasir, Make sure that you have Windows Service Pack 1. If that or Tartal’s suggestion doesn’t work, please post your dxdiag (systems specs) and we can continue troubleshooting. ---
**Author:** ![Wasir](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Wasir](https://forums.unrealengine.com/u/Wasir)\ **Post date:** [March 13, 2015, 4:22pm UTC](https://forums.unrealengine.com/t/cant-open-ue4-launcher-after-installation/310619/12 "2015-03-13T16:22:11Z")
Thanks bro for your support. My problem is solved. ---
**Author:** ![sh96325](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@sh96325](https://forums.unrealengine.com/u/sh96325)\ **Post date:** [December 18, 2017, 1:17pm UTC](https://forums.unrealengine.com/t/cant-open-ue4-launcher-after-installation/310619/13 "2017-12-18T13:17:34Z")
i want to download unreal engine my laptop windows 7 can i able to do this whats the want this engine to run my computer