Here is the report:

15:10:37 launcher Preparing to launch minecraft client for 1.12.2
15:10:37 launcher Checking installations.
15:10:37 launcher Minecraft client 1.12.2 is ready to start.
15:10:37 launcher Starting!
15:10:38 launcher Using default game log configuration client-1.12.xml (outputs XML)

DEBUGS:
15:10:37 launcher Preparing to launch minecraft client for 1.12.2
15:10:37 launcher Preparing 1.12.json
15:10:37 launcher Got local file for 1.12.json
15:10:37 launcher Local file C:/Users\Happy Birthday!\AppData\Roaming\.minecraft\assets\indexes/1.12.json has filesize of 169254 bytes
15:10:37 launcher Local file C:/Users\Happy Birthday!\AppData\Roaming\.minecraft\assets\indexes/1.12.json should have hash of 3b666765bafa02e84e24b371d9efd7a4d1b6e188
15:10:37 launcher Local file C:/Users\Happy Birthday!\AppData\Roaming\.minecraft\assets\indexes/1.12.json has hash of 3b666765bafa02e84e24b371d9efd7a4d1b6e188
15:10:37 launcher Prepared asset index
15:10:37 launcher Have 1304 total files to check or download
15:10:37 launcher Waiting for 1304 futures
15:10:37 launcher Preparing 1.12.2.jar
15:10:37 launcher Preparing client-1.12.xml
15:10:37 launcher Got local file for 1.12.2.jar
15:10:37 launcher Got local file for client-1.12.xml
15:10:37 launcher Local file C:/Users\Happy Birthday!\AppData\Roaming\.minecraft\versions\1.12.2/1.12.2.jar has filesize of 10180113 bytes
15:10:37 launcher Local file C:/Users\Happy Birthday!\AppData\Roaming\.minecraft\assets\log_configs\client-1.12.xml has filesize of 877 bytes
15:10:37 launcher Local file C:/Users\Happy Birthday!\AppData\Roaming\.minecraft\versions\1.12.2/1.12.2.jar should have hash of 0f275bc1547d01fa5f56ba34bdc87d981ee12daf
15:10:37 launcher Local file C:/Users\Happy Birthday!\AppData\Roaming\.minecraft\assets\log_configs\client-1.12.xml should have hash of ef4f57b922df243d0cef096efe808c72db042149
15:10:37 launcher Local file C:/Users\Happy Birthday!\AppData\Roaming\.minecraft\assets\log_configs\client-1.12.xml has hash of ef4f57b922df243d0cef096efe808c72db042149
15:10:37 launcher Preparing patchy-1.1.jar
15:10:37 launcher Got local file for patchy-1.1.jar
15:10:37 launcher Local file C:/Users\Happy Birthday!\AppData\Roaming\.minecraft\libraries\com/mojang/patchy/1.1/patchy-1.1.jar has filesize of 15817 bytes
15:10:37 launcher Local file C:/Users\Happy Birthday!\AppData\Roaming\.minecraft\libraries\com/mojang/patchy/1.1/patchy-1.1.jar should have hash of aef610b34a1be37fa851825f12372b78424d8903
15:10:37 launcher Local file C:/Users\Happy Birthday!\AppData\Roaming\.minecraft\libraries\com/mojang/patchy/1.1/patchy-1.1.jar has hash of aef610b34a1be37fa851825f12372b78424d8903
15:10:37 launcher Preparing oshi-core-1.1.jar
15:10:37 launcher Got local file for oshi-core-1.1.jar
15:10:37 launcher Local file C:/Users\Happy Birthday!\AppData\Roaming\.minecraft\libraries\oshi-project/oshi-core/1.1/oshi-core-1.1.jar has filesize of 30973 bytes
15:10:37 launcher Local file C:/Users\Happy Birthday!\AppData\Roaming\.minecraft\libraries\oshi-project/oshi-core/1.1/oshi-core-1.1.jar should have hash of 9ddf7b048a8d701be231c0f4f95fd986198fd2d8
15:10:37 launcher Local file C:/Users\Happy Birthday!\AppData\Roaming\.minecraft\libraries\oshi-project/oshi-core/1.1/oshi-core-1.1.jar has hash of 9ddf7b048a8d701be231c0f4f95fd986198fd2d8
15:10:37 launcher Preparing jna-4.4.0.jar
15:10:37 launcher Got local file for jna-4.4.0.jar
15:10:37 launcher Local file C:/Users\Happy Birthday!\AppData\Roaming\.minecraft\libraries\net/java/dev/jna/jna/4.4.0/jna-4.4.0.jar has filesize of 1091208 bytes
15:10:37 launcher Local file C:/Users\Happy Birthday!\AppData\Roaming\.minecraft\libraries\net/java/dev/jna/jna/4.4.0/jna-4.4.0.jar should have hash of cb208278274bf12ebdb56c61bd7407e6f774d65a
15:10:37 launcher Local file C:/Users\Happy Birthday!\AppData\Roaming\.minecraft\libraries\net/java/dev/jna/jna/4.4.0/jna-4.4.0.jar has hash of cb208278274bf12ebdb56c61bd7407e6f774d65a
15:10:37 launcher Preparing platform-3.4.0.jar
15:10:37 launcher Got local file for platform-3.4.0.jar
15:10:37 launcher Local file C:/Users\Happy Birthday!\AppData\Roaming\.minecraft\libraries\net/java/dev/jna/platform/3.4.0/platform-3.4.0.jar has filesize of 913436 bytes
15:10:37 launcher Local file C:/Users\Happy Birthday!\AppData\Roaming\.minecraft\libraries\net/java/dev/jna/platform/3.4.0/platform-3.4.0.jar should have hash of e3f70017be8100d3d6923f50b3d2ee17714e9c13
15:10:37 launcher Local file C:/Users\Happy Birthday!\AppData\Roaming\.minecraft\libraries\net/java/dev/jna/platform/3.4.0/platform-3.4.0.jar has hash of e3f70017be8100d3d6923f50b3d2ee17714e9c13
15:10:37 launcher Preparing icu4j-core-mojang-51.2.jar
15:10:37 launcher Got local file for icu4j-core-mojang-51.2.jar
15:10:37 launcher Local file C:/Users\Happy Birthday!\AppData\Roaming\.minecraft\libraries\com/ibm/icu/icu4j-core-mojang/51.2/icu4j-core-mojang-51.2.jar has filesize of 1634692 bytes
15:10:37 launcher Local file C:/Users\Happy Birthday!\AppData\Roaming\.minecraft\libraries\com/ibm/icu/icu4j-core-mojang/51.2/icu4j-core-mojang-51.2.jar should have hash of 63d216a9311cca6be337c1e458e587f99d382b84
15:10:37 launcher Local file C:/Users\Happy Birthday!\AppData\Roaming\.minecraft\libraries\com/ibm/icu/icu4j-core-mojang/51.2/icu4j-core-mojang-51.2.jar has hash of 63d216a9311cca6be337c1e458e587f99d382b84
15:10:37 launcher Preparing jopt-simple-5.0.3.jar
15:10:37 launcher Got local file for jopt-simple-5.0.3.jar
15:10:37 launcher Local file C:/Users\Happy Birthday!\AppData\Roaming\.minecraft\libraries\net/sf/jopt-simple/jopt-simple/5.0.3/jopt-simple-5.0.3.jar has filesize of 78175 bytes