When I try to install UxStyle on my HP Stream 7 tablet, I get the error: "Uh oh, something went wrong."

Is there really no other way in the universe to enable custom themes?

The debug log says the following:

[0CE8:0408][2014-12-14T18:37:54]i001: Burn v3.8.826.0, Windows v6.2 (Build 9200: Service Pack 0), path: C:\Users\Archy\Desktop\UxStyle_sep23_x86_x64.exe, cmdline: ''
[0CE8:0408][2014-12-14T18:37:54]i000: Setting string variable 'WixBundleLog' to value 'C:\Users\Archy\AppData\Local\Temp\UxStyle_20141214183754.log'
[0CE8:0408][2014-12-14T18:37:54]i000: Setting string variable 'WixBundleOriginalSource' to value 'C:\Users\Archy\Desktop\UxStyle_sep23_x86_x64.exe'
[0CE8:0408][2014-12-14T18:37:54]i000: Setting string variable 'WixBundleName' to value 'UxStyle'
[0CE8:0408][2014-12-14T18:37:55]i100: Detect begin, 2 packages
[0CE8:0408][2014-12-14T18:37:55]i101: Detected package: Installer32, state: Absent, cached: None
[0CE8:0408][2014-12-14T18:37:55]i101: Detected package: Installer64, state: Absent, cached: None
[0CE8:0408][2014-12-14T18:37:55]i199: Detect complete, result: 0x0
[0CE8:0FAC][2014-12-14T18:37:57]i000: Setting numeric variable 'EulaAcceptCheckbox' to value 1
[0CE8:0408][2014-12-14T18:37:57]i200: Plan begin, 2 packages, action: Install
[0CE8:0408][2014-12-14T18:37:57]i052: Condition 'NOT VersionNT64 ' evaluates to true.
[0CE8:0408][2014-12-14T18:37:57]i000: Setting string variable 'WixBundleRollbackLog_Installer32' to value 'C:\Users\Archy\AppData\Local\Temp\UxStyle_20141214183754_0_Installer32_rollback.log'
[0CE8:0408][2014-12-14T18:37:57]i000: Setting string variable 'WixBundleLog_Installer32' to value 'C:\Users\Archy\AppData\Local\Temp\UxStyle_20141214183754_0_Installer32.log'
[0CE8:0408][2014-12-14T18:37:57]i052: Condition 'VersionNT64' evaluates to false.
[0CE8:0408][2014-12-14T18:37:57]i201: Planned package: Installer32, state: Absent, default requested: Present, ba requested: Present, execute: Install, rollback: Uninstall, cache: Yes, uncache: No, dependency: Register
[0CE8:0408][2014-12-14T18:37:57]i201: Planned package: Installer64, state: Absent, default requested: Absent, ba requested: Absent, execute: None, rollback: None, cache: No, uncache: No, dependency: None
[0CE8:0408][2014-12-14T18:37:57]i299: Plan complete, result: 0x0
[0CE8:0408][2014-12-14T18:37:57]i300: Apply begin
[0E90:0760][2014-12-14T18:38:02]i360: Creating a system restore point.
[0E90:0760][2014-12-14T18:38:03]w363: Could not create system restore point, error: 0x80070422. Continuing...
[0E90:0760][2014-12-14T18:38:03]i000: Caching bundle from: 'C:\Users\Archy\AppData\Local\Temp\{05560347-3a9b-4644-a8ed-8b64cc947189}\.be\UxStyle_Bundle.exe' to: 'C:\ProgramData\Package Cache\{05560347-3a9b-4644-a8ed-8b64cc947189}\UxStyle_Bundle.exe'
[0E90:0760][2014-12-14T18:38:03]i320: Registering bundle dependency provider: {05560347-3a9b-4644-a8ed-8b64cc947189}, version: 0.2.3.0
[0E90:0B18][2014-12-14T18:38:03]i305: Verified acquired payload: Installer32 at path: C:\ProgramData\Package Cache\.unverified\Installer32, moving to: C:\ProgramData\Package Cache\{CE8F83AD-3EC7-4DA1-A929-268F1DAC507B}v0.2.3.0\Installer.msi.
[0E90:0B18][2014-12-14T18:38:03]i305: Verified acquired payload: cab16463FEBD51C0856A3364212BA40C0C2 at path: C:\ProgramData\Package Cache\.unverified\cab16463FEBD51C0856A3364212BA40C0C2, moving to: C:\ProgramData\Package Cache\{CE8F83AD-3EC7-4DA1-A929-268F1DAC507B}v0.2.3.0\bits.cab.
[0E90:0760][2014-12-14T18:38:03]i323: Registering package dependency provider: {CE8F83AD-3EC7-4DA1-A929-268F1DAC507B}, version: 0.2.3.0, package: Installer32
[0E90:0760][2014-12-14T18:38:03]i301: Applying execute package: Installer32, action: Install, path: C:\ProgramData\Package Cache\{CE8F83AD-3EC7-4DA1-A929-268F1DAC507B}v0.2.3.0\Installer.msi, arguments: ' ARPSYSTEMCOMPONENT="1" MSIFASTINSTALL="7"'
[0E90:0760][2014-12-14T18:38:04]e000: Error 0x80070643: Failed to install MSI package.
[0E90:0760][2014-12-14T18:38:04]e000: Error 0x80070643: Failed to execute MSI package.
[0CE8:0408][2014-12-14T18:38:04]e000: Error 0x80070643: Failed to configure per-machine MSI package.
[0CE8:0408][2014-12-14T18:38:04]i319: Applied execute package: Installer32, result: 0x80070643, restart: None
[0CE8:0408][2014-12-14T18:38:04]e000: Error 0x80070643: Failed to execute MSI package.
[0E90:0760][2014-12-14T18:38:04]i318: Skipped rollback of package: Installer32, action: Uninstall, already: Absent
[0CE8:0408][2014-12-14T18:38:04]i319: Applied rollback package: Installer32, result: 0x0, restart: None
[0E90:0760][2014-12-14T18:38:04]i329: Removed package dependency provider: {CE8F83AD-3EC7-4DA1-A929-268F1DAC507B}, package: Installer32
[0E90:0760][2014-12-14T18:38:04]i351: Removing cached package: Installer32, from path: C:\ProgramData\Package Cache\{CE8F83AD-3EC7-4DA1-A929-268F1DAC507B}v0.2.3.0\
[0E90:0760][2014-12-14T18:38:04]i330: Removed bundle dependency provider: {05560347-3a9b-4644-a8ed-8b64cc947189}
[0E90:0760][2014-12-14T18:38:04]i352: Removing cached bundle: {05560347-3a9b-4644-a8ed-8b64cc947189}, from path: C:\ProgramData\Package Cache\{05560347-3a9b-4644-a8ed-8b64cc947189}\
[0CE8:0408][2014-12-14T18:38:05]i399: Apply complete, result: 0x80070643, restart: None, ba requested restart: No